WD_BLACK SN770M 2TB Internal SSD WDS200T3X0G-00CHY0 M.2 2230 PCIe Gen4 NVMe Solid State Drive Handheld Gaming
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Western Digital
WD_BLACK SN770M 2TB Internal SSD WDS200T3X0G-00CHY0 M.2 2230 PCIe Gen4 NVMe Solid State Drive Handheld Gaming
€673.06 inc. VAT
WDS200T3X0G-00CHY0
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WD_BLACK SN770M 2TB M.2 2230 Solid State Drive
2TBPCIe Gen4 NVMeM.2 2230Up to 5150 MB/s1200 TBW
The WD_BLACK SN770M 2TB (part number WDS200T3X0G) is a M.2 2230 internal solid state drive on PCIe Gen4 x4 NVMe, reaching up to 5150 MB/s sequential read and 4850 MB/s sequential write. It uses the short M.2 2230 format rather than the usual 2280, which is what handheld gaming PCs such as the Steam Deck and ASUS ROG Ally take, along with a number of ultracompact laptops and mini PCs.
Before you buy: this drive needs a free M.2 2230 slot that supports NVMe (M key, PCIe). Length is the whole point here: a 2230 module is 30 mm long against the 80 mm of a standard 2280 drive. It will fit a 2280 slot only if the machine has a 30 mm standoff, and a 2280 drive will not fit a 2230 slot at all. Confirm which your device takes before ordering. It is supplied bare, without a mounting screw or cloning software licence, so check clearance under a laptop cover or a graphics card before ordering.
Best For
✓ Handheld gaming PCs
Built in the M.2 2230 size that the Steam Deck, ROG Ally and similar handhelds use, at capacities far beyond the drives they ship with.
✓ Ultracompact laptops and mini PCs
Many thin machines only accept 2230 modules, and options at this capacity and speed are limited.
✓ Large game libraries on a small device
PCIe Gen4 speeds with 2TB of space, so you stop uninstalling titles to make room.
✓ DirectStorage titles
Supports the Microsoft DirectStorage path that streams game assets straight from the SSD to the graphics processor.
Key Features
M.2 2230 short format
30 mm long instead of 80 mm, the size handheld gaming PCs and many ultracompact laptops require.
Up to 5150 MB/s read
PCIe Gen4 x4 sequential read, roughly double what a Gen3 drive delivers, in a module a third of the length.
Random performance
Up to 650,000 random read IOPS and 800,000 random write IOPS, which is what actually determines game load times.
1200 TBW endurance
Rated for 1200 terabytes written, well beyond what gaming and general use will consume.
DRAM-less with Host Memory Buffer
The controller borrows a small amount of system RAM instead of carrying its own DRAM, which is how it fits the power and thermal budget of a handheld. Western Digital does not state this on the data sheet; it is confirmed by teardown reviews.
nCache 4.0 and Game Mode 2.0
Write caching plus the WD_BLACK Dashboard tuning profile that reduces loading overhead on game workloads.
Technical Specifications
| Drive | |
| Brand | Western Digital |
| Series | WD _BLACK SN770M |
| Part Number (MPN) | WDS200T3X0G |
| Full Part Number | WDS200T3X0G-00CHY0 |
| Capacity | 2TB |
| Form Factor | M.2 2230 |
| Interface | PCIe Gen4 x4 NVMe |
| NAND | TLC 3D NAND |
| Performance | |
| Sequential Read | Up to 5150 MB/s |
| Sequential Write | Up to 4850 MB/s |
| Random Read | Up to 650,000 IOPS |
| Random Write | Up to 800,000 IOPS |
| Endurance and Reliability | |
| Endurance (TBW) | 1200 TBW |
| MTTF | Not published by Western Digital for this model |
| Physical and Warranty | |
| Dimensions | 29.97 x 22.1 x 2.29 mm, 2.8 g (single-sided) |
| Operating Temperature | 0 to 85 degrees Celsius |
| Warranty | 1-Year Warranty (Singular) |
| Product Identifiers | |
| MPN | WDS200T3X0G |
| Full Part Number | WDS200T3X0G-00CHY0 |
| EAN / GTIN | 718037902968 |
Frequently Asked Questions
Does the WDS200T3X0G fit my laptop or motherboard?
It needs an M.2 2230 slot wired for NVMe (M key, PCIe). A slot keyed only for SATA only will not work with this drive even though it may physically fit. Check your manual for the slot type and length before ordering.
Will the WDS200T3X0G fit a Steam Deck or ROG Ally?
It is the correct M.2 2230 size for both. Opening a handheld to replace the drive is fiddly and may affect your warranty, so check the current teardown guidance for your specific model and revision before ordering.
Is DRAM-less a problem?
Not in this class of device. The drive uses Host Memory Buffer, borrowing a little system RAM in place of an onboard DRAM cache. That costs some performance in heavy sustained workloads but keeps power draw and heat down, which is exactly the trade a handheld needs.
What do I need to know before buying the WDS200T3X0G?
It ships as a bare module with no mounting screw or cloning software. Fitting it usually means removing a small screw on the motherboard or laptop, and you should back up your data before migrating an operating system to a new drive.
Singular Expert Insight
The reason to buy this drive is the 2230 length, not the speed. In a handheld you are thermally limited long before you are limited by the interface, so a DRAM-less Gen4 drive that runs cool is a better fit than a faster one that throttles. Measure the slot before ordering: a 2280 module physically cannot go into a 2230 machine, and this is the mistake people make most often with these upgrades. Browse our internal SSDs or, for bulk capacity at a lower cost per terabyte, our NAS hard drives.
Buyer's Guide
Buy this if
Your handheld gaming PC, mini PC or ultracompact laptop takes M.2 2230 modules and you want 2TB of Gen4 storage.
Skip if
Your machine takes standard 2280 modules. The SN850X or SN7100 will be faster for the same money in that slot.
Also consider
WD_BLACK SN850X or SN7100 for full-size 2280 slots, or a microSD card for cheap removable expansion on a handheld.
Form Factor
- Internal
Interface
- M.2
Technical specifications
Μέγεθος
2TB
Χαρακτηριστικά
Product Code
CN81519
EAN Code
0718037902968
Manufacturer
Western Digital