New
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 £43
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 P5 Plus CT1000P5PSSD8 | Micron P5 Plus CT2000P5PSSD8 | Corsair MP600 Elite | Team Group MP44L | SanDisk Optimus GX 7100 |
|---|---|---|---|---|---|---|
| Capacity | 256GB | 1TB | 2TB | 1TB | 500GB | 500GB |
| Form Factor | 2.5" | M.2 | M.2 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | SATA III | PCIe 4.0 | PCIe 4.0 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Seq Read | 550 MB/s | 6,600 MB/s | 6,600 MB/s | 7,000 MB/s | 5,000 MB/s | 6,800 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | false | true | false | false | false |
| Endurance | - | 600 TBW | - | 1200 TBW | 160 TBW | 300 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Social Proof | Affordability |
|---|---|---|---|---|---|---|---|
| RS550 | 28.3 | 22.7 | 53.6 | 17.9 | 14.8 | 87.1 | 93.1 |
| Crucial P5 Plus CT1000P5PSSD8 Compare | 79 | 89 | 78.7 | 55.5 | 89.1 | 95.4 | 50.5 |
| Micron P5 Plus CT2000P5PSSD8 Compare | 79 | 81.1 | 98.9 | 78.6 | 14.8 | 95.4 | 32.4 |
| Corsair MP600 Elite Compare | 84.1 | 61.9 | 53.6 | 55.5 | 93.9 | 95.4 | 58.1 |
| Team Group MP44L Compare | 71.2 | 86.7 | 78.7 | 26.9 | 69.2 | 87.1 | 74.2 |
| SanDisk Optimus GX 7100 Compare | 80.5 | 93.8 | 53.6 | 26.9 | 88.2 | 49.9 | 72 |
Price
Value & Pricing
From £43
Amazon 1 offer From £43
We started tracking prices for this product on Nov 13, 2026. The chart appears once we have more data.
Usage Scores
- Overall31.8
- Budget82
- 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.
