Compare any two Solid State Drives:

VS

Samsung 850 Pro 128GB vs Western Digital WD Blue SN550 NVMe SSD 500GB

Display Graphs

Hide Graphs

Specification Charts

Capacity

WD Blue SN550 NVMe SSD 500GB 500 GB
850 Pro 128GB 128 GB
Difference: 372 (291%)

Random Read

WD Blue SN550 NVMe SSD 500GB 300000 IOPS
850 Pro 128GB 100000 IOPS
Difference: 200000 (200%)

Random Write

WD Blue SN550 NVMe SSD 500GB 240000 IOPS
850 Pro 128GB 90000 IOPS
Difference: 150000 (167%)

Sequential Read

WD Blue SN550 NVMe SSD 500GB 2400 MB/sec
850 Pro 128GB 550 MB/sec
Difference: 1850 (336%)

Sequential Write

WD Blue SN550 NVMe SSD 500GB 1750 MB/sec
850 Pro 128GB 470 MB/sec
Difference: 1280 (272%)

Endurance

WD Blue SN550 NVMe SSD 500GB 300 TB
850 Pro 128GB 150 TB
Difference: 150 (100%)

Specifications

Display Specifications

Hide Specifications

Model 850 Pro 128GB WD Blue SN550 NVMe SSD 500GB
Manufacturer Samsung Western Digital
NAND Samsung 2nd Gen 86Gbit 40nm MLC V-NAND SanDisk 96L TLC
Form Factor 2.5" M.2 (2280)
Capacity 128 GB 500 GB
Cache 256 MB (N/A) MB
Sequential Read 550 MB/s 2400 MB/s
Sequential Write 470 MB/s 1750 MB/s
Random Read 100000 IOPS 300000 IOPS
Random Write 90000 IOPS 240000 IOPS
Interface SATA III 6Gb/s NVMe 1.4
Controller Samsung 3-core MEX controller WD Architecture
Date Released 2014 2019
Endurance 150 TB 300 TB
Notes 10 years limited warranty AES 256-bit Full Disk Encryption (FDE) TCG/Opal v2.0, Encrypted Drive (IEEE1667) 5-Year Warranty

Price Comparison

Display Prices

Hide Prices

850 Pro 128GB

Amazon.com

Check prices at:

WD Blue SN550 NVMe SSD 500GB

Amazon.com

Check prices at:

Please note that the price comparisons are based on search keywords - sometimes it might show cards with very similar names that are not exactly the same as the one chosen in the comparison. We do try to filter out the wrong results as best we can, though.