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SanDisk · PCIe 4.0 · 500 GB

WD_BLACK 500GB SN7100 NVMe

M.2 2280 · TLC NAND · Host-Memory-Buffer (HMB)

Performance
69
Perf / price
61
Capacity value
30
Amazon
$170
WD_BLACK 500GB SN7100 NVMe
View WD_BLACK 500GB SN7100 NVMe Gallery in high resolution
$170
Not currently available Updated Aug 21, 2026
Performance69.0
Performance / price60.9
Capacity value30.5
$170 on Amazon Add this SSD to a build Compare this SSD SSD table

Written analysis

WD_BLACK 500GB SN7100 NVMe at a glance

The WD_BLACK 500GB SN7100 NVMe is a 500 GB M.2 2280 SSD using PCIe 4.0 x4, NVMe 2.0. The controller is WD Polaris 3 A101-000103-A1. Flash type is TLC 218-layer. Cache is listed as Host-Memory-Buffer (HMB).

Rated sequential throughput is 6800 MB/s read and 5800 MB/s write. Random throughput is 760K read IOPS and 1200K write IOPS. The calculated specification score is 69.0.

Best fit: General storage workloads where compatibility and price matter more than peak transfer rates.

Endurance and thermals

Rated endurance is 300 TBW, or approximately 600 TBW per TB of capacity. The listed warranty is 5 years.

Current value

At $170, the drive costs $339.90 per TB. Performance / price is 60.9 and capacity value is 30.5. Compare these values with nearby drives below; interface generation and headline speed alone do not determine value.

Drive data

Full specifications

Interface, flash, controller, cache, throughput, endurance, power, warranty, and value in one technical sheet.

General

Manufacturer
SanDisk
SSD
WD_BLACK 500GB SN7100 NVMe
Part number
WDS500G4X0E
Model
WDS500G4X0E
Capacity
500 GB
Form factor
M.2 2280
Launch price
—
Amazon price
$170
Amazon availability
Not currently available
Price updated
Aug 21, 2026

Performance

Sequential read
6800 MB/s
Sequential write
5800 MB/s
Random read
760K IOPS
Random write
1200K IOPS

Value

Amazon price
$170
Price / TB
$339.90
Performance / price
60.9
Capacity value
30.5

Hardware & cache

Interface
PCIe 4.0 x4, NVMe 2.0
Interface generation
PCIe 4.0
Controller
WD Polaris 3 A101-000103-A1
NAND
TLC 218-layer
Process
16.0
Cache type
Host-Memory-Buffer (HMB)
DRAM
Host-Memory-Buffer (HMB)
DRAM capacity
64 MB
DRAM speed
2000 MT/s
SLC cache
Dynamic

Durability & power

Endurance
300 TBW
Endurance / TB
600 TBW
Warranty
5 years
Idle power
—
Active power
—

Additional information

Also listed as
500GB SN7100 NVMe
Color
Black

Amazon

Price history

Nearby performance

Similar SSDs

Drives close to WD_BLACK 500GB SN7100 NVMe on calculated specification performance. Open the SSD table to sort, filter, and compare side by side.

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Discussion

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

HIGH-OCTANE GAMING. Experience speeds up to 7,250MB/s read and 6,900MB/s write (1-2TB models), with up to 35% faster performance than previous generation.

PURPOSE-BUILT. Designed for serious on-the-go gamers, with a PCIe Gen4 interface and SANDISK’s next generation TLC 3D NAND.

MORE SPACE FOR FAVORITES AND NEW TITLES. Available in multiple capacities up to 2TB, upgrade to an SSD that gives you tons of storage.

MORE TIME TO CLEAR THAT CHECKPOINT. Built with laptops and handheld gaming devices in mind, with up to 100% more power efficiency over the previous generation.

DO MORE WITH DASHBOARD. Ensure your drive is optimized for prime performance with the downloadable WD_BLACK Dashboard (Windows only).

POWERED BY SANDISK: The WD_BLACK, WD Blue, and WD Green flash products are manufactured by Sandisk Technologies, Inc. or its affiliates and distributed under license from Western Digital Corporation.

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