Technical Snapshot

The WD Blue SN550 1TB NVMe SSD is a high-performance M.2 2280 solid state drive built with TLC flash and a PCIe 3.0 x4, NVMe 1.4 interface. It delivers sequential read speeds Up to 2,400 MB/s and sequential write speeds Up to 1,950 MB/s. Random I/O reaches 355,000 read IOPS and 390,000 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 Blue SN550 product line, this drive provides reliable everyday storage performance.

Use Case: General-purpose storage, everyday computing
Compatibility: M.2 2280 slot, PCIe 3.0 x4, NVMe 1.4-capable motherboard
Category: Internal NVMe SSD — WD Blue SN550

WD SSD

WD Blue SN550

Blue SN550 1TB NVMe SSD

Name: WD Blue SN550 1TB NVMe SSD
Brand: WD
SKU: WDS100T2B0A

PCIe 3.0 x4, NVMe 1.4 · M.2 2280 · TLC · Up to 2,400 MB/s Read

Capacity 1TB

Seq Read Up to 2,400 MB/s

Seq Write Up to 1,950 MB/s

Endurance 600 TBW

MPNWDS100T2B0A

EAN0718037856278

CategorySolid State Drives

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Performance & Interface

Form FactorM.2 2280

InterfacePCIe 3.0 x4, NVMe 1.4

Sequential ReadUp to 2,400 MB/s

Sequential WriteUp to 1,950 MB/s

Random Read IOPS355,000

Random Write IOPS390,000

NAND TypeTLC

Endurance (TBW)600 TBW

MTBF1,750,000 hours

Warranty5 years

Full Specifications

Data sourced from WD product specifications

Storage
Product Line	Blue SN550
Capacity	1TB
Form Factor	M.2 2280
Interface	PCIe 3.0 x4, NVMe 1.4
NAND Type	TLC
Performance
Sequential Read	Up to 2,400 MB/s
Sequential Write	Up to 1,950 MB/s
Random Read IOPS	355,000
Random Write IOPS	390,000
Endurance & Reliability
Endurance (TBW)	600 TBW
MTBF	1,750,000 hours
Warranty	5 years
Product
Brand	WD
MPN	WDS100T2B0A
EAN	0718037856278
Physical
Weight	0.010 kg (estimated)
Package Dimensions	10.0 x 8.0 x 1.0 cm (estimated)

Support & Downloads

WD Blue SN550 1TB NVMe SSD Firmware UpdateLatest firmware · Check WD support

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WD Blue SN550 1TB NVMe SSD DatasheetPDF · Technical specifications

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Frequently Asked Questions

Is the WD Blue SN550 1TB NVMe compatible with my motherboard?

The WD Blue SN550 1TB NVMe SSD uses a M.2 2280 form factor with PCIe 3.0 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 Blue SN550 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 Blue SN550 1TB NVMe SSD requires the standard 2280 (80mm) length slot.

What is the endurance rating of the WD Blue SN550 1TB NVMe?

The WD Blue SN550 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 Blue SN550 1TB NVMe?

The WD Blue SN550 1TB NVMe SSD delivers Up to 2,400 MB/s sequential read and Up to 1,950 MB/s sequential write speeds. Random I/O performance: 355,000 read IOPS and 390,000 write IOPS.

What type of NAND does the WD Blue SN550 1TB NVMe use?

The WD Blue SN550 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: WDS100T2B0A
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