Technical Snapshot

The WD_BLACK SN850X NVMe SSD 1TB (retail, without heatsink) is a high-performance M.2 2280 solid state drive built with TLC flash and a PCIe 4.0 x4, NVMe interface. It delivers sequential read speeds Up to 7,300 MB/s and sequential write speeds Up to 6,300 MB/s. Random I/O reaches 800,000 read IOPS and 1,100,000 write IOPS. The drive offers 1TB of storage, an endurance rating of 600 TBW, backed by a 5 years warranty. Part of WD's Black SN850X product line, this drive targets enthusiast gamers, content creators, and workstation builders requiring high-bandwidth NVMe storage.

Use Case: Gaming, content creation, high-bandwidth NVMe storage
Compatibility: M.2 2280 slot, PCIe 4.0 x4, NVMe-capable motherboard
Category: Internal NVMe SSD — WD Black SN850X

WD SSD

WD Black SN850X

WD_BLACK SN850X NVMe SSD 1TB (retail, without heatsink) (WDBB9G0010BNC-WRSN)

Name: WD_BLACK SN850X NVMe SSD 1TB (retail, without heatsink)
Brand: WD
SKU: WDBB9G0010BNC-WRSN
Availability: InStock

PCIe 4.0 x4, NVMe · M.2 2280 · TLC · Up to 7,300 MB/s Read

Capacity 1TB

Seq Read Up to 7,300 MB/s

Seq Write Up to 6,300 MB/s

Endurance 600 TBW

MPNWDBB9G0010BNC-WRSN

EAN0619659193430

CategorySolid State Drives

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Performance & Interface

Form FactorM.2 2280

InterfacePCIe 4.0 x4, NVMe

Sequential ReadUp to 7,300 MB/s

Sequential WriteUp to 6,300 MB/s

Random Read IOPS800,000

Random Write IOPS1,100,000

NAND TypeTLC

Endurance (TBW)600 TBW

Warranty5 years

Full Specifications

Data sourced from WD product specifications

Storage
Product Line	Black SN850X
Capacity	1TB
Form Factor	M.2 2280
Interface	PCIe 4.0 x4, NVMe
NAND Type	TLC
Performance
Sequential Read	Up to 7,300 MB/s
Sequential Write	Up to 6,300 MB/s
Random Read IOPS	800,000
Random Write IOPS	1,100,000
Endurance & Reliability
Endurance (TBW)	600 TBW
Warranty	5 years
Product
Brand	WD
MPN	WDBB9G0010BNC-WRSN
EAN	0619659193430
Physical
Weight	0.040 kg
Package Dimensions	10 x 8 x 1 cm (estimated)

Support & Downloads

WD_BLACK SN850X NVMe SSD 1TB (retail, without heatsink) Firmware UpdateLatest firmware · Check WD support

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WD_BLACK SN850X NVMe SSD 1TB (retail, without heatsink) DatasheetPDF · Technical specifications

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Frequently Asked Questions

Is the WD_BLACK SN850X NVMe compatible with my motherboard?

The WD_BLACK SN850X NVMe SSD 1TB (retail, without heatsink) uses a M.2 2280 form factor with PCIe 4.0 x4, NVMe 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 SN850X 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 SN850X NVMe SSD 1TB (retail, without heatsink) requires the standard 2280 (80mm) length slot.

What is the endurance rating of the WD_BLACK SN850X NVMe?

The WD_BLACK SN850X NVMe SSD 1TB (retail, without heatsink) is rated for 600 TBW, 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 SN850X NVMe?

The WD_BLACK SN850X NVMe SSD 1TB (retail, without heatsink) delivers Up to 7,300 MB/s sequential read and Up to 6,300 MB/s sequential write speeds. Random I/O performance: 800,000 read IOPS and 1,100,000 write IOPS.

What type of NAND does the WD_BLACK SN850X NVMe use?

The WD_BLACK SN850X NVMe SSD 1TB (retail, without heatsink) uses TLC flash memory with 1TB storage capacity. TLC NAND offers a good balance of performance, endurance, and cost.

JSON-LD Structured Data — Product + Breadcrumb

Product: WD_BLACK SN850X NVMe SSD 1TB (retail, without heatsink)
MPN: WDBB9G0010BNC-WRSN
Schemas: Product + BreadcrumbList
Properties: 11 additionalProperty entries
Related: 4 isRelatedTo links