Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Smart Wizard
Get a complete build plan based on budget and goals.
Build Comparison
Compare complete builds side by side.
Part Comparison
Check specs, price, and value across parts.
Bottleneck Calculator
Measure CPU and GPU balance before you buy.
Power Calculator
Estimate wattage and PSU headroom.
Will It Run?
Test your hardware against popular games.
Western Digital

Performance, endurance, NAND architecture, thermals, and compatibility.
| Merchant |
|---|
| Price |
|---|
| $/GB |
|---|
| Availability |
|---|
| Total |
|---|
Newegg | $138.39 | $0.277 | In Stock | $138.39 | Buy |
SanDisk | $199.99 | $0.400 | Out of Stock | $199.99 |
About This Product
The WD_BLACK SN7100 is a PCIe Gen 4 NVMe SSD offering 500GB of storage. It provides sequential read/write speeds typical of mid-range Gen 4 drives, suitable for general computing and gaming. While faster than PCIe Gen 3 SSDs, it may not reach the peak performance of high-end Gen 4 drives, but offers a good balance for its price point.
Verdict
“A solid mid-range Gen 4 NVMe SSD for users seeking a performance upgrade without premium cost.”
Performance, endurance, NAND architecture, thermals, and compatibility.
Sequential, random, and sustained speeds.
Sequential Read
6,800 MB/s
Sequential Write
5,800 MB/s
4K Random Read
760K IOPS
4K Random Write
1.2M IOPS
How long the drive lasts under sustained writes.
TBW (lifetime writes)
3,000 TB
Drive Writes/Day
3.29 DWPD
calculated from TBW
MTBF
1.8M hours
Warranty
5 years
Controller, NAND, and cache — what most retailers don't show you.
NAND Type
TLC 3D NAND
DRAM Cache
No
Critical for Gen5 drives and laptops.
Max Temp
85°C
Be the first to share your experience
Rating
No reviews yet
S880
1TB · Gen 4 · 7,300 MB/s
MTE410S
256GB · Gen 4 · 3,300 MB/s
UD90
500GB · Gen 4 · 5,000 MB/s
Viper VP4300 Lite
500GB · Gen 4 · 7,400 MB/s
Z440 Lite
500GB · Gen 4 · 5,000 MB/s
P400 Lite
250GB · Gen 4 · 3,500 MB/s
LEGEND 860
500GB · Gen 4 · 5,000 MB/s
CS2241
1TB · Gen 4 · 3,181 MB/s
CS2241
500GB · Gen 4 · 3,188 MB/s
MP44L
500GB · Gen 4 · 5,000 MB/s
Cross-generation alternatives at the same capacity.