Technical Snapshot

The WD Black SN770M 500GB NVMe SSD is a high-performance M.2 2230 solid state drive built with TLC flash and a PCIe 4.0 x4, NVMe 1.4 interface. It delivers sequential read speeds Up to 5,000 MB/s and sequential write speeds Up to 4,000 MB/s. Random I/O reaches 460,000 read IOPS and 800,000 write IOPS. The drive offers 500GB of storage, an endurance rating of 300 TBW, a 1,750,000 hours MTBF, backed by a 5 years warranty. Part of WD's Black SN770M product line, this drive is suited for gaming PCs, creative workstations, and general-purpose high-speed storage.

Use Case: Gaming, content creation, high-bandwidth NVMe storage
Compatibility: M.2 2230 slot, PCIe 4.0 x4, NVMe 1.4-capable motherboard
Category: Internal NVMe SSD — WD Black SN770M

WD SSD

WD Black SN770M

Black SN770M 500GB NVMe SSD

Name: WD Black SN770M 500GB NVMe SSD
Brand: WD
SKU: WDS500G3X0G

PCIe 4.0 x4, NVMe 1.4 · M.2 2230 · TLC · Up to 5,000 MB/s Read

Capacity 500GB

Seq Read Up to 5,000 MB/s

Seq Write Up to 4,000 MB/s

Endurance 300 TBW

MPNWDS500G3X0G

CategorySolid State Drives

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Performance & Interface

Form FactorM.2 2230

InterfacePCIe 4.0 x4, NVMe 1.4

Sequential ReadUp to 5,000 MB/s

Sequential WriteUp to 4,000 MB/s

Random Read IOPS460,000

Random Write IOPS800,000

NAND TypeTLC

Endurance (TBW)300 TBW

MTBF1,750,000 hours

Warranty5 years

Full Specifications

Data sourced from WD product specifications

Storage
Product Line	Black SN770M
Capacity	500GB
Form Factor	M.2 2230
Interface	PCIe 4.0 x4, NVMe 1.4
NAND Type	TLC
Performance
Sequential Read	Up to 5,000 MB/s
Sequential Write	Up to 4,000 MB/s
Random Read IOPS	460,000
Random Write IOPS	800,000
Endurance & Reliability
Endurance (TBW)	300 TBW
MTBF	1,750,000 hours
Warranty	5 years
Product
Brand	WD
MPN	WDS500G3X0G
Physical
Weight	3.0 g

Support & Downloads

WD Black SN770M 500GB NVMe SSD Firmware UpdateLatest firmware · Check WD support

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WD Black SN770M 500GB NVMe SSD DatasheetPDF · Technical specifications

WD Support →

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Frequently Asked Questions

Is the WD Black SN770M 500GB NVMe compatible with my motherboard?

The WD Black SN770M 500GB NVMe SSD uses a M.2 2230 form factor with PCIe 4.0 x4, NVMe 1.4 interface. It is compatible with any motherboard that has a matching M.2 2230 slot. This includes AMD AM5/AM4 and Intel LGA 1851/LGA 1700 platforms. PCIe is backward-compatible, so older PCIe generation slots will work at reduced bandwidth.

Can I use the WD Black SN770M 500GB NVMe in a laptop or Steam Deck?

Yes, the WD Black SN770M 500GB NVMe SSD uses the M.2 2230 (30mm) compact form factor, which is compatible with laptops, the Steam Deck, Microsoft Surface devices, and other compact PCs that require shorter M.2 drives.

What is the endurance rating of the WD Black SN770M 500GB NVMe?

The WD Black SN770M 500GB NVMe SSD is rated for 300 TBW with a 1,750,000 hours MTBF, backed by a 5 years warranty. At typical consumer usage of ~50 GB/day, this provides years of reliable operation.

How fast is the WD Black SN770M 500GB NVMe?

The WD Black SN770M 500GB NVMe SSD delivers Up to 5,000 MB/s sequential read and Up to 4,000 MB/s sequential write speeds. Random I/O performance: 460,000 read IOPS and 800,000 write IOPS.

What type of NAND does the WD Black SN770M 500GB NVMe use?

The WD Black SN770M 500GB NVMe SSD uses TLC flash memory with 500GB storage capacity. TLC NAND offers a good balance of performance, endurance, and cost.

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MPN: WDS500G3X0G
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Related: 5 isRelatedTo links