Technical Snapshot

The WD Red SA500 4TB SATA SSD is a high-performance 2.5" solid state drive built with TLC flash and a SATA III 6Gb/s interface. It delivers sequential read speeds Up to 560 MB/s and sequential write speeds Up to 520 MB/s. Random I/O reaches 87,000 read IOPS and 83,000 write IOPS. The drive offers 4TB of storage, an endurance rating of 2,500 TBW, a 2,000,000 hours MTBF, backed by a 5 years warranty. Part of WD's Red SA500 product line, this drive targets enthusiast gamers, content creators, and workstation builders requiring high-bandwidth NVMe storage.

Use Case: General-purpose storage, everyday computing
Compatibility: 2.5" slot, SATA III 6Gb/s-capable motherboard
Category: Internal NVMe SSD — WD Red SA500

WD SSD

WD Red SA500

Red SA500 4TB SATA SSD

Name: WD Red SA500 4TB SATA SSD
Brand: WD
SKU: WDS400T2R0A

SATA III 6Gb/s · 2.5" · TLC · Up to 560 MB/s Read

Capacity 4TB

Seq Read Up to 560 MB/s

Seq Write Up to 520 MB/s

Endurance 2,500 TBW

MPNWDS400T2R0A

EAN0718037903620

CategorySolid State Drives

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Performance & Interface

Form Factor2.5"

InterfaceSATA III 6Gb/s

Sequential ReadUp to 560 MB/s

Sequential WriteUp to 520 MB/s

Random Read IOPS87,000

Random Write IOPS83,000

NAND TypeTLC

Endurance (TBW)2,500 TBW

MTBF2,000,000 hours

Warranty5 years

Full Specifications

Data sourced from WD product specifications

Storage
Product Line	Red SA500
Capacity	4TB
Form Factor	2.5"
Interface	SATA III 6Gb/s
NAND Type	TLC
Performance
Sequential Read	Up to 560 MB/s
Sequential Write	Up to 520 MB/s
Random Read IOPS	87,000
Random Write IOPS	83,000
Endurance & Reliability
Endurance (TBW)	2,500 TBW
MTBF	2,000,000 hours
Warranty	5 years
Product
Brand	WD
MPN	WDS400T2R0A
EAN	0718037903620
Variant	2.5"
Physical
Weight	0.071 kg
Package Dimensions	11.0 x 8.0 x 1.5 cm (estimated)

Support & Downloads

WD Red SA500 4TB SATA SSD Firmware UpdateLatest firmware · Check WD support

WD Support →

WD Red SA500 4TB SATA SSD DatasheetPDF · Technical specifications

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Frequently Asked Questions

Is the WD Red SA500 4TB SATA compatible with my motherboard?

The WD Red SA500 4TB SATA SSD uses a 2.5" form factor with SATA III 6Gb/s interface. It is compatible with any motherboard that has a matching 2.5" slot. Check your motherboard specifications for SATA port availability.

What systems is the WD Red SA500 4TB SATA designed for?

The WD Red SA500 4TB SATA SSD is designed for desktop PCs and workstations with 2.5" support. Check your system's storage interface specifications for compatibility.

What is the endurance rating of the WD Red SA500 4TB SATA?

The WD Red SA500 4TB SATA SSD is rated for 2,500 TBW with a 2,000,000 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 Red SA500 4TB SATA?

The WD Red SA500 4TB SATA SSD delivers Up to 560 MB/s sequential read and Up to 520 MB/s sequential write speeds. Random I/O performance: 87,000 read IOPS and 83,000 write IOPS.

What type of NAND does the WD Red SA500 4TB SATA use?

The WD Red SA500 4TB SATA SSD uses TLC flash memory with 4TB storage capacity. TLC NAND offers a good balance of performance, endurance, and cost.

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MPN: WDS400T2R0A
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