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 | $200.34 | $0.401 | In Stock | $200.34 | Buy |
About This Product
The Western Digital Blue SN550 is a PCIe 3.0 x4 NVMe SSD offering 500GB of storage in an M.2 2280 form factor. It provides faster performance than SATA SSDs, making it suitable for general computing and light gaming. While not a top-tier performer among NVMe drives, it offers a good balance of speed and value for users upgrading from older storage technologies.
Verdict
“Good for budget-conscious users seeking a significant upgrade from SATA storage.”
Performance, endurance, NAND architecture, thermals, and compatibility.
Sequential, random, and sustained speeds.
Sequential Read
2,400 MB/s
Sequential Write
1,750 MB/s
4K Random Read
300K IOPS
4K Random Write
240K IOPS
SLC Cache
5GB
How long the drive lasts under sustained writes.
TBW (lifetime writes)
300 TB
Drive Writes/Day
0.82 DWPD
MTBF
1.7M hours
Warranty
2 years
Controller, NAND, and cache — what most retailers don't show you.
DRAM Cache
No
Be the first to share your experience
Rating
No reviews yet
P34A60
256GB · Gen 3 · 2,100 MB/s
DC P4101
256GB · Gen 3
DC P4101
512GB · Gen 3
P300
256GB · Gen 3 · 1,700 MB/s
LEGEND 700
256GB · Gen 3 · 1,900 MB/s
MP33
256GB · Gen 3 · 1,600 MB/s
CS1030
250GB · Gen 3 · 2,500 MB/s
NM620
256GB · Gen 3 · 3,000 MB/s
SN530
512GB · Gen 3 · 2,400 MB/s
SSD PLUS
1TB · Gen 3 · 3,200 MB/s
Cross-generation alternatives at the same capacity.