New
Samsung 850 Pro
Capacity 1TB
Form Factor 2.5"
Interface SATA III
Read Speed 550 MB/s
NAND TLC
DRAM Cache Yes
Endurance 150 TBW
61 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong feature (94th percentile) 94th
- Strong endurance (84th percentile) 84th
Cons
- Below average speed (33rd percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Owner sentiment has held steady over time
Based on 8 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 1000 |
| Form Factor | 2.5" |
| Interface | SATA III |
| Protocol | SATA |
| External | No |
Performance
| Sequential Read (MB/s) | 550 |
| Sequential Write (MB/s) | 520 |
| Random Read (IOPS) | 100000 |
| Random Write (IOPS) | 90000 |
Hardware
| NAND | TLC |
| DRAM Cache | Yes |
| Controller | Samsung MEX Controller |
Reliability
| Endurance (TBW) | 150 |
| MTBF (hours) | 2000000 |
| Warranty (years) | 10 |
Features
| Hardware Encryption | Yes |
vs Competition
| Spec | Samsung 850 Pro | Lexar NM1090 PRO | SanDisk Optimus GX PRO 850X | fanxiang S910 Pro-2TB | Crucial T705 CT1000T705SSD5 | KingSpec OneBoom X400-1TB 2280 |
|---|---|---|---|---|---|---|
| Capacity | 1TB | 4TB | 1TB | 2TB | 1TB | 1TB |
| Form Factor | 2.5" | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | SATA III | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 5.0 | PCIe 4.0 x4 |
| Seq Read | 550 MB/s | 14,000 MB/s | 7,300 MB/s | 14,000 MB/s | 13,600 MB/s | 7,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | true | true | false | true | false | false |
| Endurance | 150 TBW | 2800 TBW | 4800 TBW | 1400 TBW | 600 TBW | 1800 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance |
|---|---|---|---|---|---|
| Samsung 850 Pro | 32.8 | 44 | 93.8 | 54.6 | 84.4 |
| Lexar NM1090 PRO Compare | 97.8 | 98.1 | 90.6 | 92.8 | 74.5 |
| SanDisk Optimus GX PRO 850X Compare | 88 | 95.7 | 78.5 | 54.6 | 99.2 |
| fanxiang S910 Pro-2TB Compare | 96.7 | 79.9 | 97.4 | 78.4 | 89.5 |
| Crucial T705 CT1000T705SSD5 Compare | 96.5 | 97.4 | 89 | 54.6 | 77.8 |
| KingSpec OneBoom X400-1TB 2280 Compare | 89.9 | 60.6 | 78.5 | 54.6 | 96.7 |
Price
Value & Pricing
We started tracking prices for this product on Nov 8, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
