Technical Snapshot

The WD Blue SN550 500GB 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 1,750 MB/s. Random I/O reaches 300,000 read IOPS and 240,000 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 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 Blue SN550

Blue SN550 500GB NVMe SSD

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

Total usable storage capacity of the drive.
Capacity 500GB
Maximum sequential read speed under optimal conditions.
Seq Read Up to 2,400 MB/s
Maximum sequential write speed under optimal conditions.
Seq Write Up to 1,750 MB/s
Total terabytes that can be written over the drive's lifetime before expected wear-out.
Endurance 300 TBW
MPNWDS500G2B0A
EAN0718037856308
CategorySolid State Drives
Contact for Price
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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 1,750 MB/s
Random Read IOPS300,000
Random Write IOPS240,000
NAND TypeTLC
Endurance (TBW)300 TBW
MTBF1,750,000 hours
Warranty5 years

Full Specifications

Data sourced from WD product specifications
Storage
Product LineBlue SN550
Capacity500GB
Form FactorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
NAND TypeTLC
Performance
Sequential ReadUp to 2,400 MB/s
Sequential WriteUp to 1,750 MB/s
Random Read IOPS300,000
Random Write IOPS240,000
Endurance & Reliability
Endurance (TBW)300 TBW
MTBF1,750,000 hours
Warranty5 years
Product
BrandWD
MPNWDS500G2B0A
EAN0718037856308
Physical
Weight0.010 kg (estimated)
Package Dimensions10.0 x 8.0 x 1.0 cm (estimated)

Support & Downloads

WD Blue SN550 500GB NVMe SSD Firmware UpdateLatest firmware · Check WD support
WD Support →
WD Blue SN550 500GB NVMe SSD DatasheetPDF · Technical specifications
WD Support →
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Frequently Asked Questions

Is the WD Blue SN550 500GB NVMe compatible with my motherboard?

The WD Blue SN550 500GB 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 500GB 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 500GB NVMe SSD requires the standard 2280 (80mm) length slot.

What is the endurance rating of the WD Blue SN550 500GB NVMe?

The WD Blue SN550 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 Blue SN550 500GB NVMe?

The WD Blue SN550 500GB NVMe SSD delivers Up to 2,400 MB/s sequential read and Up to 1,750 MB/s sequential write speeds. Random I/O performance: 300,000 read IOPS and 240,000 write IOPS.

What type of NAND does the WD Blue SN550 500GB NVMe use?

The WD Blue SN550 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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