New
SanDisk Optimus GXPro 850X 8TB PCIe 4.0 x4 NVMe M.2 2280
Capacity 8TB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 7,200 MB/s
NAND TLC
DRAM Cache Yes
Endurance 4800 TBW
80 Overall Score
Price £1,791
Snapshot
Pros & Cons
Pros
- Strong capacity (98th percentile) 98th
- Strong random (96th percentile) 96th
- Strong speed (89th percentile) 89th
- Strong feature (78th percentile) 78th
Cons
- Below average affordability (3rd percentile)
- Below average social proof (7th percentile)
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 8000 |
| Form Factor | M.2 2280 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 7200 |
| Sequential Write (MB/s) | 6600 |
| Random Read (IOPS) | 1200000 |
| Random Write (IOPS) | 1100000 |
Hardware
| NAND | TLC |
| DRAM Cache | Yes |
Reliability
| Endurance (TBW) | 4800 |
| Warranty (years) | 5 |
Features
| Heatsink | No |
| Hardware Encryption | Yes |
vs Competition
| Spec | SanDisk Optimus GXPro 850X | Samsung 9100 PRO | Kingston FURY Renegade G5 SFYR2S/4T0 | Western Digital WD_BLACK WDS800T2XHE | Crucial T700 | Seagate FireCuda 530R ZP4000GM3A073 |
|---|---|---|---|---|---|---|
| Capacity | 8TB | 4TB | 4TB | 8TB | 2TB | 4TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 |
| Interface | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 | PCIe 4.0 | PCIe 5.0 x4 | PCIe 4.0 x4 |
| Seq Read | 7,200 MB/s | 14,800 MB/s | 14,800 MB/s | 7,200 MB/s | 12,400 MB/s | 7,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | true | true | true | true | true | false |
| Endurance | 4800 TBW | 2400 TBW | 4000 TBW | 4800 TBW | 1200 TBW | 5050 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Social Proof | Affordability |
|---|---|---|---|---|---|---|---|
| SanDisk Optimus GXPro 850X | 88.9 | 96.4 | 78.1 | 98 | 68.2 | 6.9 | 2.7 |
| Samsung 9100 PRO Compare | 99.2 | 99.8 | 99.7 | 92.5 | 85.7 | 99.6 | 5.5 |
| Kingston FURY Renegade G5 SFYR2S/4T0 Compare | 99.5 | 99 | 90.8 | 92.5 | 93.2 | 87.1 | 7 |
| Western Digital WD_BLACK WDS800T2XHE Compare | 87.6 | 96.4 | 93.9 | 98 | 87.8 | 95.3 | 4 |
| Crucial T700 Compare | 96.7 | 97.6 | 97.5 | 78.5 | 82.8 | 77.4 | 26 |
| Seagate FireCuda 530R ZP4000GM3A073 Compare | 92.7 | 96.8 | 78.1 | 92.5 | 95.4 | 77.4 | 7.3 |
Price
Value & Pricing
From £1,791
Amazon 1 offer From £1,791
We started tracking prices for this product on Nov 12, 2026. The chart appears once we have more data.
Usage Scores
- Overall80.1
- Budget51.5
- Gaming77.7
- Laptop70.4
- Console74.1
- Portable20.2
- Workstation81.7
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
