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Compare any two Solid State Drives:
SanDisk Ultra II 240GB vs Western Digital WD Blue SN550 NVMe SSD 500GB
Display Graphs
Specification Charts
Capacity
| WD Blue SN550 NVMe SSD 500GB |
|
500 GB |
| Ultra II 240GB |
|
240 GB |
|
|
Random Read
| WD Blue SN550 NVMe SSD 500GB |
|
300000 IOPS |
| Ultra II 240GB |
|
91000 IOPS |
|
|
Random Write
| WD Blue SN550 NVMe SSD 500GB |
|
240000 IOPS |
| Ultra II 240GB |
|
83000 IOPS |
|
|
Sequential Read
| WD Blue SN550 NVMe SSD 500GB |
|
2400 MB/sec |
| Ultra II 240GB |
|
550 MB/sec |
|
|
Sequential Write
| WD Blue SN550 NVMe SSD 500GB |
|
1750 MB/sec |
| Ultra II 240GB |
|
500 MB/sec |
|
|
Endurance
| WD Blue SN550 NVMe SSD 500GB |
|
300 TB |
| Ultra II 240GB |
|
109 TB |
|
|
Specifications
Display Specifications
| Model | Ultra II 240GB | WD Blue SN550 NVMe SSD 500GB |
|---|---|---|
| Manufacturer | SanDisk | Western Digital |
| NAND | SanDisk 2nd Gen 128Gbit 19nm TLC | SanDisk 96L TLC |
| Form Factor | 2.5" | M.2 (2280) |
| Capacity | 240 GB | 500 GB |
| Cache | 10240 MB | (N/A) MB |
| Sequential Read | 550 MB/s | 2400 MB/s |
| Sequential Write | 500 MB/s | 1750 MB/s |
| Random Read | 91000 IOPS | 300000 IOPS |
| Random Write | 83000 IOPS | 240000 IOPS |
| Interface | SATA III 6Gb/s | NVMe 1.4 |
| Controller | Marvell 88SS9190 | WD Architecture |
| Date Released | 2014 | 2019 |
| Endurance | 109 TB | 300 TB |
| Notes | 3 Year Warranty | 5-Year Warranty |
Price Comparison
Display Prices
Ultra II 240GBAmazon.com
Check prices at:
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WD Blue SN550 NVMe SSD 500GBAmazon.com
Check prices at:
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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.