8 Best Sd Cards for Cctv in 2026

Contents
  1. The Top 8
  2. Top 8 Sd Cards Reviewed in Detail
  3. 1. Top Pick
  4. 2. Best for Cctv
  5. 3. Best Premium
  6. 4. Best Lightweight
  7. 5. Most Versatile
  8. 6. Best Value
  9. 7. Best Heavy-Duty
  10. 8. Runner-Up
  11. Sd Cards Compared Side by Side
  12. How We Reviewed
  13. How to Choose Sd Cards
  14. What to look for
  15. Frequently asked questions

Choosing the best sd card for cctv can be tricky. The top pick is the SanDisk 128GB Extreme PRO SD UHS-I Card. It offers read speeds up to 250MB/s and write speeds up to 120MB/s, making it excellent for recording high-resolution video. For a more budget-friendly option, the SanDisk 32GB Ultra SDHC Memory Card allows for decent performance at a lower capacity, but you sacrifice storage space and speed for cost savings.

Many buyers must decide between speed and storage capacity. The SanDisk 128GB card is faster, while the SanDisk 32GB is lower in both speed and space. This article will help you explore more options and find what fits your security needs.

Paid links. We earn a commission from qualifying purchases at no extra cost to you. Prices are pulled live from Amazon and change often. How this works

The Top 8

1
SanDisk 128GB Extreme PRO SD UHS-I Card, Up to 250MB/s Read and 120MB/s Write, 4K UHD, Full HD, U3, V30, SDSDXXJ-128G-GSCIN
SanDisk 128GB Extreme PRO SD UHS-I Card, Up to 250MB/s Read and 120MB/s Write, 4K UHD, Full HD, U3, V30, SDSDXXJ-128G-GSCIN
Amazon.com
2
SANDISK 128GB Ultra microSD UHS-I Card - Up to 195MB/s Read Speed, Full HD Video, V10, U1, C10, A5 - SDSQUJQ-128G-GZ6MA
SANDISK 128GB Ultra microSD UHS-I Card – Up to 195MB/s Read Speed, Full HD Video, V10, U1, C10, A5 – SDSQUJQ-128G-GZ6MA
Amazon.com
3
SanDisk 32GB Ultra 100MBs SDHC Memory Card
SanDisk 32GB Ultra 100MBs SDHC Memory Card
Amazon.com
4
SanDisk 64GB Extreme PRO SD UHS-I Card, Up to 200MB/s Read and 90MB/s Write, 4K UHD, Full HD, U3, V30, SDSDXXU-064G-GSCIN
SanDisk 64GB Extreme PRO SD UHS-I Card, Up to 200MB/s Read and 90MB/s Write, 4K UHD, Full HD, U3, V30, SDSDXXU-064G-GSCIN
Amazon.com
5
SanDisk 256GB Extreme PRO SD UHS-I Card, Up to 250MB/s Read and 170MB/s Write, 4K UHD, Full HD, U3, V30, SDSDXXJ-256G-GSCIN
SanDisk 256GB Extreme PRO SD UHS-I Card, Up to 250MB/s Read and 170MB/s Write, 4K UHD, Full HD, U3, V30, SDSDXXJ-256G-GSCIN
Amazon.com
6
Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black
Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black
Amazon.com
7
SANDISK 64GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXU-064G-GN4IN
SANDISK 64GB Extreme PRO SDXC UHS-I Memory Card – C10, U3, V30, 4K UHD, SD Card – SDSDXXU-064G-GN4IN
Amazon.com
8
SanDisk 64GB Ultra SDXC UHS-I Memory Card - 100MB/s, C10, U1, Full HD, SD Card
SanDisk 64GB Ultra SDXC UHS-I Memory Card – 100MB/s, C10, U1, Full HD, SD Card
Amazon.com

Top 8 Sd Cards Reviewed in Detail

Here are some top picks for the best sd card for cctv. Each option has specific features that cater to different needs.

1. Top Pick

SanDisk 128GB Extreme PRO SD UHS-I Card, Up to 250MB/s Read and 120MB/s Write, 4K UHD, Full HD, U3, V30, SDSDXXJ-128G-GSCIN

$51.90
in stock
Amazon.com
  • CAPTURE LARGER THAN LIFE. Unlock 4K UHD(3) brilliance and pristine high res stills with video speed class ratings of U3 and V30(4).
  • SPEED BARRIERS SHATTERED. Save precious moments with blazing read speeds up to 250MB/s(2) and write speeds up to 170MB/s(2) [256GB-1TB capacities(1)].
  • MAXIMIZE WITH MASSIVE CAPACITY. Capture for longer and store more with up to 2TB(1) of storage that can hold up to 2,808 minutes of 4K UHD video recorded at 30 fps (641MB/minute)(9).
  • DEFY THE ELEMENTS. Unrelentingly resilient, Sandisk SD memory cards are engineered to perform in extreme conditions, despite rough handling and constant use.(6)
  • CONTENT MANAGEMENT, SIMPLIFIED. Back up, organize, and transfer everything easily with the Sandisk Memory Zone desktop app,(7) whether you use an SD card slot or a card reader.
Updated: 7 hours ago

The best SD card for CCTV needs high speed and large storage. The SanDisk 128GB Extreme PRO SD UHS-I Card delivers excellent performance. With read speeds up to 250MB/s and write speeds up to 120MB/s, it can handle 4K UHD video and full HD recording. This makes it ideal for recording CCTV footage without interruptions. Other options like the SanDisk 64GB Ultra SDXC UHS-I Memory Card have a lower speed and capacity but are still good for basic needs.

Pros

High read and write speeds. Large storage capacity. Supports 4K UHD video recording. Reliable for continuous use.

Cons

Some options have lower speeds. Lower capacity cards may not hold enough footage for long periods.

This card suits users who need reliable storage for high-quality video. It’s great for home security systems or surveillance cameras.

The SanDisk 128GB Extreme PRO SD UHS-I Card is the best SD card for CCTV. Its speed and capacity make it a top choice for recording high-quality footage.

2. Best for Cctv

SanDisk 32GB Ultra 100MBs SDHC Memory Card

$19.99 $21.70
in stock
Amazon.com
  • Brand: Sandisk
Updated: 7 hours ago

The SanDisk 32GB Ultra SDHC Memory Card is the best value pick in the best sd card for cctv category. Its 32GB capacity is suitable for shorter recordings. With read speeds of 100MB/s, it still offers decent performance for most cctv systems. While it lacks the speed and capacity of other options, it is a great choice for budget-conscious users.

Compared to higher capacity cards like the SanDisk 128GB Extreme PRO, this card might not be able to hold as much footage. However, it can still effectively support basic cctv needs, especially where long-term storage is not a priority. Users who need to replace a card often may find this to be a budget-friendly option.

A notable limitation is its lower capacity. Users requiring significant storage for extended surveillance may find it inadequate.

Pros

  • 32GB capacity works for light use
  • Read speeds of up to 100MB/s
  • Budget-friendly option for basic needs

Cons

  • Limited storage capacity for longer recordings
  • Lower write speeds may hinder performance
  • Not suitable for high-resolution video

Best for: Budget-conscious users needing basic storage. Not ideal for: Those requiring high-capacity or high-speed performance.

It’s a practical choice for light cctv use.

3. Best Premium

SANDISK 128GB Ultra microSD UHS-I Card – Up to 195MB/s Read Speed, Full HD Video, V10, U1, C10, A5 – SDSQUJQ-128G-GZ6MA

$35.99
in stock
Amazon.com
  • EXPAND YOUR STORAGE. Insert your card to add massive storage up to 1.5TB[1] to your Android smartphones and tablets, digital cameras, and laptops.
  • SPACE FOR MORE. With expansive capacities up to 1.5TB[1], capture and store hours of Full HD video[4], movies, music, games, photos, and podcasts.
  • MOVE FILES FAST. Use your card with the SANDISK QuickFlow microSD UHS-I Card USB-A Reader[6] to achieve up to 195MB/s[2] read speeds [128GB-1.5TB models] and offload your content fast.
  • LOAD APPS IN A SNAP. Rated A1[3], the SANDISK Ultra microSD card is optimized for faster app launch and overall app performance.
  • EASY CONTENT MANAGEMENT. Easily back up, organize, and transfer your photos and videos with the SANDISK Memory Zone desktop or Android mobile app[5].
Updated: 7 hours ago

The SanDisk 128GB Ultra microSD UHS-I Card is a solid choice for those wanting a reliable sd card for cctv. With read speeds up to 195MB/s, it offers good performance for Full HD recording. The 128GB capacity allows users to store a decent amount of video footage. This card is versatile and can be used in smartphones, tablets, and other devices as well.

Compared to other options in this roundup, it is slightly slower than the Extreme PRO cards. However, it still provides enough speed for typical cctv applications. This makes it a great alternative for those who desire both decent speed and capacity without going for the high-end models.

One limitation is that its speed may not meet the demands of 4K recording. Users focused on higher resolutions might find it lacking compared to faster options.

Pros

  • Read speeds up to 195MB/s
  • Versatile for multiple devices
  • 128GB capacity for moderate storage

Cons

  • Not as fast as Extreme PRO cards
  • May not suit 4K recording needs
  • Limited to Full HD video recording

Best for: Users needing a versatile card for Full HD. Not ideal for: Those requiring high-speed performance for 4K recording.

A reliable choice for moderate cctv needs.

4. Best Lightweight

SanDisk 64GB Extreme PRO SD UHS-I Card, Up to 200MB/s Read and 90MB/s Write, 4K UHD, Full HD, U3, V30, SDSDXXU-064G-GSCIN

$35.95
in stock
Amazon.com
  • CAPTURE LARGER THAN LIFE. Unlock 4K UHD(3) brilliance and pristine high res stills with video speed class ratings of U3 and V30(4).
  • SPEED BARRIERS SHATTERED. Save precious moments with blazing read speeds up to 250MB/s(2) and write speeds up to 170MB/s(2) [256GB-1TB capacities(1)].
  • MAXIMIZE WITH MASSIVE CAPACITY. Capture for longer and store more with up to 2TB(1) of storage that can hold up to 2,808 minutes of 4K UHD video recorded at 30 fps (641MB/minute)(9).
  • DEFY THE ELEMENTS. Unrelentingly resilient, Sandisk SD memory cards are engineered to perform in extreme conditions, despite rough handling and constant use.(6)
  • CONTENT MANAGEMENT, SIMPLIFIED. Back up, organize, and transfer everything easily with the Sandisk Memory Zone desktop app,(7) whether you use an SD card slot or a card reader.
Updated: 7 hours ago

The SanDisk 64GB Extreme PRO SD UHS-I Card is a lightweight option in the best sd card for cctv category. With read speeds up to 200MB/s and write speeds of 90MB/s, it’s designed for quick performance. The 64GB capacity is suitable for shorter recordings, making it a decent choice for users who need moderate storage without a bulkier card.

When compared to larger capacity cards like the 128GB and 256GB options, this one is easier to manage but offers less footage storage. It strikes a good balance between performance and size for those who want an efficient recording solution.

A key limitation is its storage capacity. Users needing extensive recording time may feel restricted and should consider larger cards.

Pros

  • Read speeds up to 200MB/s
  • Lightweight and easy to handle
  • Suitable for moderate recording needs

Cons

  • Limited storage for long recordings
  • Not ideal for high-resolution video
  • Lower write speeds than some competitors

Best for: Users needing a compact option for moderate storage. Not ideal for: Those requiring extensive recording times.

A practical choice for users prioritizing portability.

5. Most Versatile

SanDisk 256GB Extreme PRO SD UHS-I Card, Up to 250MB/s Read and 170MB/s Write, 4K UHD, Full HD, U3, V30, SDSDXXJ-256G-GSCIN

$90.99 $129.99
in stock
Amazon.com
  • CAPTURE LARGER THAN LIFE. Unlock 4K UHD(3) brilliance and pristine high res stills with video speed class ratings of U3 and V30(4).
  • SPEED BARRIERS SHATTERED. Save precious moments with blazing read speeds up to 250MB/s(2) and write speeds up to 170MB/s(2) [256GB-1TB capacities(1)].
  • MAXIMIZE WITH MASSIVE CAPACITY. Capture for longer and store more with up to 2TB(1) of storage that can hold up to 2,808 minutes of 4K UHD video recorded at 30 fps (641MB/minute)(9).
  • DEFY THE ELEMENTS. Unrelentingly resilient, Sandisk SD memory cards are engineered to perform in extreme conditions, despite rough handling and constant use.(6)
  • CONTENT MANAGEMENT, SIMPLIFIED. Back up, organize, and transfer everything easily with the Sandisk Memory Zone desktop app,(7) whether you use an SD card slot or a card reader.
Updated: 7 hours ago

The SanDisk 256GB Extreme PRO SD UHS-I Card is a most versatile option among sd cards for cctv. With read speeds up to 250MB/s and write speeds reaching 170MB/s, it delivers high performance for demanding video recording. The 256GB capacity means you can store extensive footage, making it ideal for security cameras that require long-term archiving.

Compared to smaller models, this card offers a significant advantage in storage and speed. This makes it suitable for both casual and professional users who need reliability and performance. However, it is especially beneficial for those using 4K resolution cctv systems.

One disadvantage is its larger size, which may not suit users looking to save space. Those only needing limited storage may find it excessive.

Pros

  • High read speeds up to 250MB/s
  • 256GB capacity for extensive storage
  • 170MB/s write speed for smooth recording

Cons

  • Larger size may be cumbersome
  • Higher price point for budget users
  • Overkill for casual use

Best for: Users needing long-term storage for security. Not ideal for: Casual users wanting less storage.

A top choice for extensive video recording needs.

6. Best Value

Amazon Basics microSDXC Memory Card with Full Size Adapter, A2, U3, Read Speed up to 100 MB/s, 128GB, Black

$35.14
in stock
Amazon.com
  • Compatible with Nintendo Switch (NOT Nintendo Switch 2). Always check your device’s max supported capacity.
  • Reliable Real-World Capacity – Labeled Capacities/Usable Capacities: 64GB/≥58GB; 128GB/≥116GB; 256GB/≥232GB; 512GB/≥465GB; 1TB/≥908GB (Due to OS formatting and binary/decimal calculation differences)
  • 4K & Full HD Ready — Optimized for high-bitrate video recording and burst-mode photography. Handles RAW files, time-lapse sequences, and smooth 4K UHD playback without lag or frame drops.
  • UHS-I U3 + A2 Certified Speed — Up to 100MB/s read speed (lab-tested); meets Video Speed Class V30 and Application Class A2 for fast app loading, responsive multitasking, and reliable performance on Android devices.
  • Built for Adventure — Shock-resistant, IPX6 water-resistant, and rated for extreme temperatures (−10°C to +80°C). Also resistant to X-rays and magnetic fields — ideal for travel, outdoor use, and dashcams.
Updated: 7 hours ago

The Amazon Basics microSDXC Memory Card is a reliable budget option for the best sd card for cctv. With a read speed of up to 100MB/s and an A2 rating, it performs adequately for basic video recording. The 128GB capacity allows for decent footage storage, making it a good option for users on a budget. It also comes with a full-size adapter for extra compatibility.

When comparing with other cards, it is less expensive than brands like SanDisk while still providing decent performance. However, it falls short in write speed compared to the Extreme PRO cards. This makes it suitable mainly for less demanding cctv applications.

One limitation is its lower speed rating. Users who need to record high-resolution footage may find it insufficient.

Pros

  • Budget-friendly option for light use
  • Includes full-size adapter for compatibility
  • 128GB capacity for moderate storage

Cons

  • Lower speed limits performance
  • Not suitable for heavy users
  • Limited to basic recording needs

Best for: Budget users needing moderate storage. Not ideal for: Users requiring high-speed performance.

It’s a decent choice for basic cctv applications.

7. Best Heavy-Duty

SANDISK 64GB Extreme PRO SDXC UHS-I Memory Card – C10, U3, V30, 4K UHD, SD Card – SDSDXXU-064G-GN4IN

$33.70
in stock
Amazon.com
  • Save time with card offload speeds of up to 200MB/s powered by SanDisk QuickFlow Technology (Up to 200MB/s read speeds, engineered with proprietary technology to reach speeds beyond UHS-I 104MB/s, require compatible devices capable of reaching such speeds. Based on internal testing; performance may be lower depending upon host device, interface, usage conditions and other factors. 1MB=1,000,000 bytes. X = 150KB/sec. SanDisk QuickFlow Technology is only available for 64GB, 128GB, 256GB, 512GB and 1TB capacities. 1GB=1,000,000,000 bytes. 1TB=1,000,000,000,000 bytes. Actual user storage less.)
  • Pair with the SanDisk Professional PRO-READER SD and microSD to achieve maximum speeds (sold separately)
  • Shot speeds up to 90MB/s (Write speed up to 90MB/s. Based on internal testing; performance may be lower depending upon host device. 1MB=1,000,000 bytes. X = 150KB/sec.)
  • Perfect for shooting 4K UHD video and sequential burst mode photography (Full HD (1920×1080) and 4K UHD (3840 x 2160) video support may vary based upon host device, file attributes and other factors. See HD page on SanDisk site.)
  • UHS Speed Class 3 (U3) and Video Speed Class 30 (V30) (UHS Speed Class 3 designates a performance option designed to support 4K UHD video recording with enabled UHS host devices. UHS Video Speed Class 30 (V30), sustained video capture rate of 30MB/s, designates a performance option designed to support real-time video recording with UHS enabled host devices. See the SD Association’s official website.)
Updated: 7 hours ago

The SanDisk 64GB Extreme PRO SDXC UHS-I Memory Card is a heavy-duty option for the best sd card for cctv category. It offers read speeds up to 200MB/s and write speeds of 90MB/s. The card’s rugged design is ideal for outdoor use or challenging environments, making it suitable for cctv setups in various conditions.

Compared to other options, it is well-built and performs reliably under stress. This card can handle high-resolution recordings, making it a good choice for serious cctv applications. However, it has a lower capacity than the 128GB models, which may limit longer recordings.

One downside is its capacity. Users requiring extensive storage for long-term recordings may find it lacking and should consider larger options.

Pros

  • Durable design for outdoor use
  • 200MB/s read speed for smooth performance
  • Good for high-resolution recordings

Cons

  • Limited storage compared to larger options
  • Not ideal for extensive recording times
  • Lower write speed than some competitors

Best for: Users needing a rugged card for outdoor cctv. Not ideal for: Those needing long-term storage.

It’s an excellent choice for tough environments.

8. Runner-Up

SanDisk 64GB Ultra SDXC UHS-I Memory Card – 100MB/s, C10, U1, Full HD, SD Card

$22.79 $25.00
in stock
Amazon.com
  • SDSDUNR-064G-GN3IN Overseas Retail
Updated: 7 hours ago

The SanDisk 64GB Ultra SDXC UHS-I Memory Card is a runner-up option in the best sd card for cctv category. With read speeds of up to 100MB/s, it performs adequately for basic needs. The 64GB capacity fits well for users who do not require extensive storage. However, it lacks the high speed and durability of the Extreme PRO cards, making it less suitable for demanding applications.

When compared to other cards, it offers decent performance but may struggle with high-resolution recordings. This card can work for users with standard video needs but may not satisfy those requiring higher specifications.

One limitation is its low speed. Users who need to write data quickly for video recording might find it lacking. For casual cctv needs, it can still be a viable option.

Pros

  • 100MB/s read speed for basic performance
  • 64GB capacity for light use
  • Good choice for casual users

Cons

  • Lower speed for demanding needs
  • Limited to basic recording capabilities
  • Not suitable for high-resolution video

Best for: Casual users needing basic storage. Not ideal for: High-performance cctv applications.

It’s a practical choice for light cctv use.

Sd Cards Compared Side by Side

This table compares the key specifications of each sd card. You can see the brand, capacity, read and write speeds, and whether they support 4K video. If you need the best sd card for cctv, look closely at the capacity and speed columns.

# Product Best for Brand Price Link
1 SanDisk 128GB Extreme PRO SD UHS-I Card Top Pick Sandisk Technologies, Inc. $51.9 Check
2 SanDisk 32GB Ultra 100MBs SDHC Memory Card Best for Cctv SanDisk $19.99 Check
3 SANDISK 128GB Ultra microSD UHS-I Card Best Premium Sandisk Technologies, Inc. $35.99 Check
4 SanDisk 64GB Extreme PRO SD UHS-I Card Best Lightweight Sandisk Technologies, Inc. $35.95 Check
5 SanDisk 256GB Extreme PRO SD UHS-I Card Most Versatile Sandisk Technologies, Inc. $90.99 Check
6 Amazon Basics microSDXC Memory Card with Full Size Adapter Best Value Amazon $35.14 Check
7 SANDISK 64GB Extreme PRO SDXC UHS-I Memory Card Best Heavy-Duty Sandisk Technologies, Inc. $33.7 Check
8 SanDisk 64GB Ultra SDXC UHS-I Memory Card Runner-Up SanDisk $22.79 Check
9 SanDisk 128GB Ultra SDXC UHS-I Memory Card — Western Digital Technologies, Inc. $34.91 Check
10 SanDisk 128GB Ultra SDXC UHS-I Memory Card — Sandisk Technologies, Inc. $33.99 Check

Prices come from Amazon and change often. The price on Amazon at checkout is the one that applies.

How We Reviewed

How often this page is updated

This page will be updated regularly to reflect new products and changes in technology. We aim to refresh it at least once every six months.

How to Choose Sd Cards

Consider Storage Size

Choose a card with enough storage for your needs. For longer recordings, pick at least 128GB. Higher capacities allow more footage.

Check Read and Write Speeds

Look for cards with high read and write speeds. Speeds of 100MB/s or more are best for smooth video recording.

Look for UHS Class Ratings

Select cards with UHS class ratings of U1 or U3. These ratings indicate the card’s ability to handle high-definition video.

Compatibility Matters

Ensure the card is compatible with your CCTV system. Some systems may not support higher capacity cards.

Warranty and Reliability

Choose brands that offer good warranties. Reliable brands tend to provide better customer support and longer-lasting products.

What to look for

Speed

Speed is important for recording high-quality CCTV footage. Look for cards with a minimum read speed of 100MB/s and write speed of 30MB/s.

Storage Capacity

The amount of footage you can store depends on capacity. Cards range from 32GB to 1TB. Larger capacities are better for continuous recording.

Video Class Ratings

Video class ratings like V30 indicate the card’s minimum write speed for video recording. Higher ratings ensure smooth video capture.

Durability

Choose cards designed for heavy use. Some cards are temperature, waterproof, and shockproof, making them ideal for outdoor CCTV setups.

Brand Reliability

Brands like SanDisk are known for quality. Opt for reputable brands with positive user reviews for better performance and reliability.

Frequently asked questions

What is the best SD card for CCTV?

The SanDisk 128GB Extreme PRO SD UHS-I Card is the best SD card for CCTV due to its speed and capacity.

How much storage do I need for CCTV?

A minimum of 128GB is recommended for longer recordings. Higher capacities are better for extensive footage.

What speeds should I look for in an SD card for CCTV?

Look for read speeds of at least 100MB/s and write speeds of 30MB/s or more.

Are all SD cards compatible with CCTV cameras?

No, not all SD cards work with CCTV cameras. Always check compatibility before purchase.

Can I use a microSD card for CCTV?

Yes, but ensure you have a suitable adapter or that your camera supports microSD cards.

Sources and standards

Background reading we checked while putting this guide together:

About the author

Radhika Gupta

Radhika Gupta 12+ years

Editor, Best Under 2026

Radhika Gupta builds the buying guides on Best Under 2026. Every shortlist starts from the manufacturer specification and the live Amazon listing, then gets cut down by who the product actually suits. Nothing here is hands-on tested, and we do not pretend otherwise — where a guide names a drawback it comes from the spec sheet or from a pattern in buyer reports, not from a lab. Prices are pulled from Amazon and stamped with the date they were checked. If something here is wrong, email hello@bestunder2026.com and it gets fixed.

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