New Price drop 1%
RS550 256GB SATA III
The RONGSHU RS550 hits 550 MB/s reads and 500 MB/s writes over SATA III, using 3D NAND TLC flash that lasts more than twice as long as QLC, making it a reliable drop-in upgrade for older machines. It runs quietly with low power draw and resists shock and vibration, while working across Windows, macOS, and Linux without extra drivers. This drive suits budget-conscious users replacing a slow mechanical hard drive in a laptop or desktop for faster boot times and quicker program loading.
Capacity 256GB
Form Factor 2.5"
Interface SATA III
Read Speed 550 MB/s
NAND TLC
32 Overall Score
Price CA$80
Snapshot
Pros & Cons
Pros
- Strong affordability (93rd percentile) 93rd
- Strong social proof (87th percentile) 87th
Cons
- Below average endurance (15th percentile)
- Below average capacity (18th percentile)
- Below average random (23rd percentile)
- Below average speed (28th percentile)
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 256 |
| Form Factor | 2.5" |
| Interface | SATA III |
| Protocol | SATA |
| External | No |
Performance
| Sequential Read (MB/s) | 550 |
| Sequential Write (MB/s) | 500 |
Hardware
| NAND | TLC |
vs Competition
| Spec | RS550 | Crucial T500 CT1000T500SSD5 | MSI SPATIUM M480 PRO | Corsair MP700 Elite | Samsung 990 EVO | Western Digital WD Blue SN5100 |
|---|---|---|---|---|---|---|
| Capacity | 256GB | 1TB | 1TB | 1TB | 2TB | 1TB |
| Form Factor | 2.5" | M.2 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | SATA III | PCIe 4.0 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Seq Read | 550 MB/s | 7,300 MB/s | 7,400 MB/s | 10,000 MB/s | 5,000 MB/s | 7,100 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | true | false | false | false |
| Endurance | - | 600 TBW | 3000 TBW | 600 TBW | 1200 TBW | 600 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Social Proof | Affordability |
|---|---|---|---|---|---|---|---|
| RS550 | 28.3 | 22.7 | 53.5 | 17.9 | 14.8 | 87.2 | 92.8 |
| Crucial T500 CT1000T500SSD5 Compare | 91.4 | 96.7 | 98.9 | 55.6 | 83 | 95.4 | 56.2 |
| MSI SPATIUM M480 PRO Compare | 94 | 81.2 | 94 | 55.6 | 98.8 | 95.4 | 43.6 |
| Corsair MP700 Elite Compare | 95.2 | 97.1 | 85.8 | 55.6 | 87.3 | 95.4 | 43.6 |
| Samsung 990 EVO Compare | 72.6 | 90.6 | 78.7 | 78.6 | 83 | 95.4 | 55.1 |
| Western Digital WD Blue SN5100 Compare | 87.1 | 95.7 | 78.7 | 55.6 | 88.1 | 95.4 | 54.5 |
Price
Value & Pricing
From CA$80
Amazon 1 offer From CA$80
We started tracking prices for this product on Nov 8, 2026. The chart appears once we have more data.
Usage Scores
- Overall31.8
- Budget81.1
- Gaming22.5
- Laptop31.7
- Console11.5
- Portable8.7
- Workstation27.9
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
