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SanDisk Extreme Pro 256GB microSDXC | 200MB/s Read, 140MB/s Write, A2 V30 U3
High-capacity flash storage for 4K filming, action cameras, drones, and Android phones
Condition: New
Note: price and availability are subject to change without prior notice
SanDisk Extreme Pro 256GB microSDXC is now available at Mascom International for KSh 10,000, located at Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD. This UHS-I card reads at up to 200MB/s and writes at up to 140MB/s. It carries A2, V30, U3, and Class 10 ratings in a microSDXC format. The 256GB capacity holds roughly 9 hours of 4K UHD video or more than 40,000 high-resolution photos. SanDisk QuickFlow Technology speeds up media offloads when paired with a compatible card reader. The SanDisk Extreme Pro 256GB ships new and sealed with an SD adapter in the box.
The SanDisk Extreme Pro 256GB suits content creators, photographers, and videographers across Kenya who fill cards fast during long shoots. Kenyan YouTubers and TikTok creators recording 4K clips in Nairobi and Mombasa need write speeds that keep pace with high bitrates. Wedding photographers shooting in Karen and event teams at the KICC lose moments when a slow card drops frames. Action camera users filming at Diani or the Maasai Mara need storage that records without stutter. Drone operators and dashcam owners on Thika Road and Mombasa Road also depend on steady write performance, and the SanDisk Extreme Pro handles each of these jobs.
Unlike other electronics retailers in Kenya, Mascom International stocks the genuine SanDisk Extreme Pro 256GB, not a counterfeit clone with inflated capacity claims. Fake memory cards flood Nairobi's informal market, often failing within weeks and corrupting footage. Buyers across Kenya tell us they trust Mascom International for authentic SanDisk stock backed by real warranty support. The SanDisk Extreme Pro 256GB also carries A2 application performance for faster app loading when used as expandable storage in Android phones. Visit our Nairobi CBD store to verify the card in person, or order for pay-on-arrival delivery to any of Kenya's 47 counties.
Common Questions About the SanDisk Extreme Pro 256GB
How much storage does the SanDisk Extreme Pro 256GB actually hold?
The 256GB capacity stores roughly 9 hours of 4K UHD video at standard bitrates, or about 40,000 photos from a 24-megapixel camera. Real usable space sits near 238GB after formatting, since manufacturers count 1GB as 1 billion bytes. For a Kenyan videographer shooting a full wedding day in Karen, that means recording the ceremony, reception, and speeches on one card without swapping. Phone users get months of photos, music, and offline Netflix downloads without touching internal storage.
How fast does the SanDisk Extreme Pro 256GB transfer files?
This card reads at up to 200MB/s and writes at up to 140MB/s over the UHS-I bus. A 5-minute 4K clip of about 10GB copies to your laptop in roughly one minute with a compatible reader. The 140MB/s write speed matters more than read speed when filming, because it sets how fast footage saves during recording. SanDisk QuickFlow Technology pushes read speeds beyond the standard UHS-I 104MB/s limit on supporting devices, cutting the wait when you offload a shoot.
Is the SanDisk Extreme Pro 256GB good enough for 4K video recording?
Yes, the V30 rating guarantees a sustained write speed of at least 30MB/s, which covers continuous 4K UHD recording on cameras, drones, and action cams. V30 is the practical number to watch for video, not the peak 200MB/s figure. A GoPro filming a Maasai Mara safari or a DJI drone over Diani writes 4K footage without dropped frames. The U3 rating confirms the same 30MB/s floor, so the card meets the requirement most 4K and many 5.3K cameras list.
Will the SanDisk Extreme Pro work in my phone, GoPro, drone, or dashcam?
The microSDXC format fits any device with a microSD slot, including Android phones, GoPro and Insta360 action cameras, DJI drones, dashcams, Nintendo Switch consoles, and security cameras. The included SD adapter lets the card slot into full-size SD readers and laptops. Check that your device supports SDXC and at least 256GB, since some older or entry models cap out lower. Most Samsung, Xiaomi, and Tecno phones with expandable storage read this card without any extra setup.
How do I know the SanDisk Extreme Pro 256GB from Mascom International is genuine?
Mascom International sources SanDisk cards through verified channels, so the SanDisk Extreme Pro you buy holds its full rated 256GB. Counterfeit cards sold cheaply around Nairobi often report fake capacity and corrupt data once you pass a few gigabytes. You can test the real card at our Kimathi Street counter before paying. Genuine SanDisk Extreme Pro cards also pass speed-test apps like H2testw and show the read and write figures listed here, which fakes cannot match.
What do the A2, V30, U3, and Class 10 markings on this card mean?
These are performance ratings printed on the card face. A2 sets application performance at 4,000 read and 2,000 write input-output operations per second, which speeds up running apps from the card on Android phones. V30 and U3 both promise a 30MB/s minimum sustained write speed for video. Class 10 confirms a 10MB/s baseline, the oldest of the four standards. Together they tell you the SanDisk Extreme Pro handles 4K video and app storage, not just simple file backup.
Is the SanDisk Extreme Pro 256GB worth KSh 10,000 in Kenya's market?
At KSh 10,000, the cost works out to about KSh 39 per gigabyte for genuine 256GB storage rated at 200MB/s read. Cheaper unbranded 256GB cards in Nairobi often cost half as much but fail within weeks and lose your footage. For a content creator earning from each shoot, one corrupted wedding card costs far more than the price gap. The SanDisk Extreme Pro pairs verified speed, A2 app performance, and Mascom warranty backing, which justifies the price for working professionals.
Does the SanDisk Extreme Pro 256GB come with an SD adapter?
Yes, this SanDisk Extreme Pro 256GB retail pack includes a full-size SD adapter alongside the microSD card. The adapter lets you slot the card into cameras, laptops, and card readers that use the larger SD format. This matters for photographers whose DSLR or mirrorless body takes full-size SD while their action cam takes microSD. No charger, cable, or reader ships in the box, since a memory card needs none. Compatible USB card readers are stocked separately at Mascom International.
Technical Specifications
Storage Capacity and File Format
- 256GB capacity stores roughly 9 hours of 4K UHD footage or over 40,000 high-resolution photos for long shoots
- microSDXC format covers capacities above 32GB, so the card works in any SDXC-rated host device
- Usable space sits near 238GB after formatting, since drive makers count gigabytes in decimal billions
- Single-card recording removes mid-shoot swaps for wedding and event shooters working full days in Kenya
- Holds months of phone photos, offline maps, and downloaded video without filling internal storage
- Fits expandable-storage Android phones from Samsung, Xiaomi, Tecno, and Infinix sold across Kenya
Read and Write Transfer Speeds
- Read speed reaches up to 200MB/s on UHS-I devices, cutting the wait when you offload footage to a laptop
- Write speed hits up to 140MB/s, which sets how fast a camera saves photos and video while shooting
- SanDisk QuickFlow Technology pushes reads past the standard UHS-I 104MB/s ceiling on supporting readers
- A 10GB 4K clip copies to a computer in roughly one minute using a compatible card reader
- Faster write speed reduces buffer lag during burst photography and high-bitrate 4K capture
- Pair with a SanDisk PRO-READER, sold separately, to reach the full quoted transfer figures
Speed Class and Application Ratings
- V30 rating guarantees a sustained 30MB/s write floor, the number that confirms 4K UHD video support
- U3 rating sets the same 30MB/s minimum, listed on most action cameras and drones as a requirement
- Class 10 confirms a 10MB/s baseline, the oldest and slowest of the printed speed standards
- A2 application class delivers 4,000 read and 2,000 write IOPS for quicker app loading on Android phones
- These ratings together tell buyers the card handles video, photos, and app storage, not just file backup
- Sustained ratings matter more than peak speeds when filming, since they prevent dropped frames
Device Compatibility
- Works with Android phones, GoPro and Insta360 action cameras, DJI drones, dashcams, and security cameras
- Included SD adapter lets the card slot into DSLR, mirrorless, laptop, and full-size SD card readers
- Nintendo Switch and Switch 2 owners can store extra games and downloads on the card
- Host device must support SDXC and 256GB capacity, which most phones from 2019 onward handle
- Backward compatible with microSDHC slots, though those readers cap transfer at slower legacy speeds
- Reads on Windows, macOS, Android, and Linux without extra drivers once formatted correctly
Durability and Environmental Resistance
- Built to resist water exposure during outdoor shoots at Diani, Watamu, and Lake Naivasha
- Handles operating temperatures from -25°C to 85°C, covering Kenya's hottest coastal and inland conditions
- Shockproof construction survives drops common with action cameras and field photography gear
- X-ray proof rating protects footage when passing through airport security at JKIA
- Sealed flash design holds up to dust kicked up on Thika Road, Mombasa Road, and rural routes
- No moving parts inside the card, which lowers failure risk compared with spinning storage media
Inclusions and Adapter
- One SanDisk Extreme Pro 256GB microSDXC card in sealed retail packaging
- One full-size SD adapter for cameras, laptops, and readers using the larger SD slot
- Printed product and warranty information inside the retail pack
- No USB reader, charger, or cable included, since a memory card needs none to function
- Compatible USB-C and USB-A card readers are stocked separately at Mascom International
- Genuine retail pack carries the SanDisk hologram and SKU code for authenticity checks
Package Contents
The SanDisk Extreme Pro 256GB microSDXC ships in sealed retail packaging containing the microSD card and a full-size SD adapter. The adapter lets the card work in cameras, laptops, and readers that use the larger SD format. Printed product and warranty details are included inside the pack. No USB card reader ships in the box, but compatible USB-C and USB-A readers are available separately at Mascom International for fast transfers to laptops and desktops.
Warranty
The SanDisk Extreme Pro 256GB microSDXC carries a 6-month Mascom International warranty on manufacturing defects. Our Nairobi CBD service desk handles any warranty claims directly. Keep the original retail packaging and proof of purchase, since both speed up any warranty assessment on the card.
Where to Buy the SanDisk Extreme Pro 256GB microSDXC in Kenya
SanDisk Extreme Pro 256GB microSDXC is available now at Mascom International, located at Old Mutual Building, First Floor Room 4, Kimathi Street, Nairobi CBD. Visit our store Monday through Saturday, 9:00 AM to 7:00 PM, to test the SanDisk Extreme Pro in a card reader before purchase and confirm its full 256GB capacity.
Order through any of the following:
- Phone: +254 708 852 521
- Email: info@mascomintl.com
- Website: www.mascomintl.com
Mascom International ships the SanDisk Extreme Pro 256GB microSDXC across all 47 Kenyan counties with pay-on-arrival delivery you only pay when the card reaches you. Nairobi and its environs receive same-day delivery, while Mombasa, Kisumu, Nakuru, Eldoret, and other major towns receive the card within 1 business day. Outlying counties including Mandera, Wajir, Marsabit, Lamu, Tana River, and Turkana receive delivery within 2-3 business days.
The SanDisk Extreme Pro 256GB microSDXC carries a 6-month Mascom International warranty covering manufacturing defects, handled directly by our Nairobi CBD service desk. Buyers across Kenya rely on Mascom International for genuine SanDisk stock, honest specifications, and accurate pricing on every memory card we sell. Our brand colors of magenta and deep navy mark a store Kenyan content creators trust for authentic storage media.
Disclaimer: We can not guarantee that the information on this product is 100% correct
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