Silicon Power CreatePro CR30M SP256GBSTXLA2V1CSP 256GB microSDXC UHS-I U3 V30 A2 Card with SD Adapter
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Silicon Power
Silicon Power CreatePro CR30M SP256GBSTXLA2V1CSP 256GB microSDXC UHS-I U3 V30 A2 Card with SD Adapter
€127.38 inc. VAT
SP256GBSTXLA2V1CSP
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Silicon Power CreatePro CR30M 256GB microSDXC — U3, V30, A2, with SD Adapter
170 / 150 MB/sUHS-I · U3 · V30 · A2256GB microSDXCSD adapter in the box
The Silicon Power CreatePro CR30M SP256GBSTXLA2V1CSP is a 256GB microSDXC card rated Class 10, UHS-I U3, Video Speed Class V30 and Application Performance Class A2, supplied with a full-size SD adapter. At this capacity Silicon Power publishes up to 170 MB/s read and 150 MB/s write — the top of the ladder for this family — and the V30 mark guarantees a 30 MB/s minimum sustained write, the level 4K recording, action cameras and drones are specified against. It is built on 3D TLC NAND with dual ECC, and the A2 rating means it is also intended for hosts that run apps and games from the card rather than simply storing files. As a working guide, 256GB holds roughly 50,000 phone photos or about ten hours of 4K at typical phone bitrates.
Compatibility — check before buying:
This card is microSDXC, so it uses exFAT and needs a host that supports SDXC — almost anything made in the last decade does, but a very old camera may not. The full-size SD adapter is included in this pack: the part number ends in SP, and Silicon Power labels that variant “with adapter”, so a laptop SD slot is covered too. Two limits worth knowing before you order. A2 performance depends on the host — the A2 standard needs command-queue support at the device end, and on a host without it the card simply behaves as an A1 card; it still works, it just will not show the app-loading advantage. And this is not a card for continuous recording: Silicon Power’s memory-card warranty explicitly excludes dashcams, security and surveillance cameras, digital signage players and other non-stop recording devices, and no endurance rating is published for this line. For a Nintendo Switch 2 you need microSD Express, which is a different standard entirely. Tell us the device and we will confirm the right card.
Best For
✓ Phones and tablets that take a microSD card
✓ 4K video on action cameras and drones
✓ Android handhelds and retro consoles running games from the card
✓ Everyday photo and video overflow storage
✓ Anyone who also needs a full-size SD adapter in the pack
✓ A fast general-purpose card that is not tied to one device
Key Features
V30 is the 4K guarantee
The V30 mark means a guaranteed 30 MB/s minimum sustained write. That is the floor camera and drone makers specify 4K recording against, and it matters far more for video than any peak read number.
A2 for apps, not just files
A2 is about random access rather than sequential speed — the pattern a phone or handheld uses when it loads an app or a game from the card. It needs host support to take effect, and falls back to A1 behaviour where that support is missing.
170 / 150 MB/s at 256GB
Silicon Power publishes these figures for the 256GB and 512GB. The 128GB in the same family is quoted lower, at 160 MB/s read and 120 MB/s write, so the larger cards here are genuinely quicker as well as roomier.
Reader speed is part of the equation
Silicon Power notes that its top speeds need a card reader meeting the DDR200 specification, and that devices which do not meet it will run slower. A standard UHS-I slot tops out around 104 MB/s no matter which card you put in it.
Technical Specifications
Frequently Asked Questions
Singular Expert Insight
Within Silicon Power’s microSD range the CR30M is the fast general-purpose card, and the trap is the part number tail rather than the family name: the very similar Inspire cards share the same STXL and A2 segments and differ only in the last three characters, with one variant shipping a C200 card reader instead of an SD adapter. Order by the full part number and you get what you expect. The comparison that matters more day to day is against Silicon Power’s Elite line, which looks identical on a shelf at the same 256GB and with the same adapter in the box, but writes at 10 MB/s rather than 150 — fine for photos, useless for 4K or for running apps. This 256GB sits at the top of the CR30M speed ladder alongside the 512GB, so stepping down to the 128GB costs read and write speed as well as space. Browse our other SD and microSD cards, or add a card reader if you offload from a machine without a slot.
Buyer’s Guide
Buy it if
You need a fast 256GB microSD card for a phone, tablet, action camera or drone. You record 4K and want the V30 sustained-write guarantee behind it. You run apps or games from the card and want the A2 rating. You also want a full-size SD adapter in the pack rather than buying one separately.
Skip it if
You need a dashcam or surveillance card — this line has no endurance rating and the warranty excludes that use. You want a Nintendo Switch 2 card, which requires the different microSD Express standard. You only ever store photos and Full HD clips, where a cheaper Elite card does the job. You need a full-size SD card rather than microSD with an adapter.
Also consider
The 128GB CreatePro CR30M if 256GB is more than you need, bearing in mind it is rated slower. A high-endurance card if the job is continuous recording. A DDR200-capable card reader if you want the full read speed when offloading. The Elite Colorful 256GB if you only store photos and want to spend less.
Features - Silicon Power - SP256GBSTXLA2V1CSP
More Details
Product Code
04:595291
EAN Code
4711711630160
Manufacturer
Silicon Power
Technical specifications
Capacity
256GB