Technical Snapshot

The WD Black SN770 1TB NVMe SSD is a high-performance M.2 2280 solid state drive built with TLC flash and a PCIe 4.0 x4, NVMe 1.4 interface. It delivers sequential read speeds Up to 5,150 MB/s and sequential write speeds Up to 4,900 MB/s. Random I/O reaches 740,000 read IOPS and 800,000 write IOPS. The drive offers 1TB of storage, an endurance rating of 600 TBW, a 1,750,000 hours MTBF, backed by a 5 years warranty. Part of WD's Black SN770 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 2280 slot, PCIe 4.0 x4, NVMe 1.4-capable motherboard
Category: Internal NVMe SSD — WD Black SN770

WD SSD

WD Black SN770

Black SN770 1TB NVMe SSD

Name: WD Black SN770 1TB NVMe SSD
Brand: WD
SKU: WDS100T3X0E

PCIe 4.0 x4, NVMe 1.4 · M.2 2280 · TLC · Up to 5,150 MB/s Read

Capacity 1TB

Seq Read Up to 5,150 MB/s

Seq Write Up to 4,900 MB/s

Endurance 600 TBW

MPNWDS100T3X0E

EAN718037887333

CategorySolid State Drives

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Performance & Interface

Form FactorM.2 2280

InterfacePCIe 4.0 x4, NVMe 1.4

Sequential ReadUp to 5,150 MB/s

Sequential WriteUp to 4,900 MB/s

Random Read IOPS740,000

Random Write IOPS800,000

NAND TypeTLC

Endurance (TBW)600 TBW

MTBF1,750,000 hours

Warranty5 years

Full Specifications

Data sourced from WD product specifications

Storage
Product Line	Black SN770
Capacity	1TB
Form Factor	M.2 2280
Interface	PCIe 4.0 x4, NVMe 1.4
NAND Type	TLC
Performance
Sequential Read	Up to 5,150 MB/s
Sequential Write	Up to 4,900 MB/s
Random Read IOPS	740,000
Random Write IOPS	800,000
Endurance & Reliability
Endurance (TBW)	600 TBW
MTBF	1,750,000 hours
Warranty	5 years
Product
Brand	WD
MPN	WDS100T3X0E
EAN	718037887333
Physical
Weight	0.064 kg
Package Dimensions	23.495 x 11.43 x 13.97 cm

Support & Downloads

WD Black SN770 1TB NVMe SSD Firmware UpdateLatest firmware · Check WD support

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WD Black SN770 1TB NVMe SSD DatasheetPDF · Technical specifications

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Frequently Asked Questions

Is the WD Black SN770 1TB NVMe compatible with my motherboard?

The WD Black SN770 1TB NVMe SSD uses a M.2 2280 form factor with PCIe 4.0 x4, NVMe 1.4 interface. It is compatible with any motherboard that has a matching M.2 2280 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 SN770 1TB NVMe in a laptop?

Yes, if your laptop has an M.2 2280 NVMe slot. Some laptops use shorter M.2 2230 or M.2 2242 form factors — the WD Black SN770 1TB NVMe SSD requires the standard 2280 (80mm) length slot.

What is the endurance rating of the WD Black SN770 1TB NVMe?

The WD Black SN770 1TB NVMe SSD is rated for 600 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 SN770 1TB NVMe?

The WD Black SN770 1TB NVMe SSD delivers Up to 5,150 MB/s sequential read and Up to 4,900 MB/s sequential write speeds. Random I/O performance: 740,000 read IOPS and 800,000 write IOPS.

What type of NAND does the WD Black SN770 1TB NVMe use?

The WD Black SN770 1TB NVMe SSD uses TLC flash memory with 1TB storage capacity. TLC NAND offers a good balance of performance, endurance, and cost.

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MPN: WDS100T3X0E
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