");
}
else
{
// no ad
}
//-->
Compare any two Solid State Drives:
SanDisk Ultra II 480GB vs Western Digital WD Blue SN550 NVMe SSD 250GB
Display Graphs
Specification Charts
Capacity
Ultra II 480GB | 480 GB | |
WD Blue SN550 NVMe SSD 250GB | 250 GB | |
|
Random Read
WD Blue SN550 NVMe SSD 250GB | 170000 IOPS | |
Ultra II 480GB | 98000 IOPS | |
|
Random Write
WD Blue SN550 NVMe SSD 250GB | 135000 IOPS | |
Ultra II 480GB | 83000 IOPS | |
|
Sequential Read
WD Blue SN550 NVMe SSD 250GB | 2400 MB/sec | |
Ultra II 480GB | 550 MB/sec | |
|
Sequential Write
WD Blue SN550 NVMe SSD 250GB | 950 MB/sec | |
Ultra II 480GB | 500 MB/sec | |
|
Endurance
Ultra II 480GB | 218 TB | |
WD Blue SN550 NVMe SSD 250GB | 150 TB | |
|
Specifications
Display Specifications
Model | Ultra II 480GB | WD Blue SN550 NVMe SSD 250GB |
---|---|---|
Manufacturer | SanDisk | Western Digital |
NAND | SanDisk 2nd Gen 128Gbit 19nm TLC | SanDisk 96L TLC |
Form Factor | 2.5" | M.2 (2280) |
Capacity | 480 GB | 250 GB |
Cache | 20480 MB | (N/A) MB |
Sequential Read | 550 MB/s | 2400 MB/s |
Sequential Write | 500 MB/s | 950 MB/s |
Random Read | 98000 IOPS | 170000 IOPS |
Random Write | 83000 IOPS | 135000 IOPS |
Interface | SATA III 6Gb/s | NVMe 1.4 |
Controller | Marvell 88SS9189 | WD Architecture |
Date Released | 2014 | 2019 |
Endurance | 218 TB | 150 TB |
Notes | 3 Year Warranty | 5-Year Warranty |
Price Comparison
Display Prices
Ultra II 480GBAmazon.com
Check prices at:
|
WD Blue SN550 NVMe SSD 250GBAmazon.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.