SanDisk Optimus GX PRO 850X M.2 2280-S3-M 2TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81200TAH-000E0
- CHAMPION YOUR GAME SESSION AND CREATIVE WORKFLOW. Boasting PCIe Gen 4.0 Sequential Read/Write speeds up to 7,300/6,600 MB/s[2] (2TB[1] and 4TB[1] models), your SSD enhances your game sessions and your creative workflow.
- STAY IN THE GAME. Experience seamless game sessions and smooth multitasking with Random Read/Write speeds up to 1.2M/1.2M IOPS[2] (8TB[1] model) and integrated SANDISK nCache 4.0 technology. Supports Microsoft DirectStorage games.
- NO NEED TO DELETE. Stop deleting to make room for more games or applications. With capacities up to 8TB[1] and trusted SANDISK BiCS TLC 3D NAND, you’ll have room for more.
- COOL OPERATION, BLAZING SPEEDS. Includes the SANDISK Optimus heatsink with integrated programmable RGB LED to help your drive minimize throttle and maintain peak performance.
- DESIGNED WITH THE CREATOR IN MIND. With up to 4,800 TBW[3] (8TB[1] model) endurance rating, your drive stays by your side. Help protect your digital assets with TCG Opal v2.01 data-at-rest encryption.[
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Overview
Specs
Reviews
Overview
The SanDisk Optimus GX PRO 850X is a 2TB internal solid state drive for systems using an M.2 2280-S3-M form factor and PCI-Express 4.0 x4 interface.
Key Features
- 2TB storage capacity
- M.2 2280-S3-M form factor
- PCI-Express 4.0 x4 interface
- NVMe 1.4 protocol
- Integrated HeatSink
- No DRAM (SLC) cache
Performance
Maximum sequential performance reaches up to 7300 MBps read and up to 6600 MBps write. Maximum 4KB random performance reaches up to 1,200,000 IOPS read and up to 1,100,000 IOPS write.
Design
The drive measures 80mm deep, 23mm wide, and 8.9mm high, with a weight of 24g. It includes a HeatSink.
Connectivity & Compatibility
The drive uses a PCI-Express 4.0 x4 interface and NVMe 1.4 protocol in an M.2 2280-S3-M form factor.
Reliability & Durability
The drive is rated for 1200TB Terabytes Written and has an MTBF of 1,750,000 hours. Operating temperature is 0°C ~ +85°C, while storage temperature is -40°C ~ +85°C. Maximum shock resistance is 1,500G @ 0.5 ms half-sine.
Operating vibration is 5 gRMS, 10-2000 Hz, 3 axes. Non-operating vibration is 4.9 gRMS, 7-800 Hz, 3 axes.
Specifications
- Brand: SanDisk
- Series: Optimus GX PRO 850X
- Model: SDSP81200TAH-000E0
- Device Type: Internal Solid State Drive (SSD)
- Form Factor: M.2 2280-S3-M
- Capacity: 2TB
- Memory Components: 3D NAND TLC
- Interface: PCI-Express 4.0 x4
- Protocol: NVMe 1.4
- Cache: No DRAM (SLC)
- Max Sequential Read: Up to 7300 MBps
- Max Sequential Write: Up to 6600 MBps
- 4KB Random Read: Up to 1,200,000 IOPS
- 4KB Random Write: Up to 1,100,000 IOPS
- Terabytes Written (TBW): 1200TB
- MTBF: 1,750,000 hours
- HeatSink: with HeatSink
- Power Consumption (Idle): 5 mW
- Power Consumption (Active): Average Active Power Read: 7.5W; Average Active Power Write: 7.0W
- Operating Temperature: 0°C ~ +85°C
- Storage Temperature: -40°C ~ +85°C
- Height: 8.9mm
- Width: 23mm
- Depth: 80mm
- Weight: 24g
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 5 years
- Limited Warranty period (labor): 5 years
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.ca's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-866-726-3475
- Support Website
- View other products from SanDisk
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The SanDisk Optimus GX PRO 850X is a 2TB M.2 2280 NVMe SSD with a heatsink and PCIe 4.0 x4 interface, offering sequential read speeds up to 7,300 MB/s and write speeds up to 6,600 MB/s. It suits gamers and creators seeking fast storage for compatible PCIe 4.0 systems.
Recommended For
- PC gamers expanding a desktop game library who want 2TB of fast PCIe 4.0 storage and shorter game-load waits; reviews of its SN850X predecessor found strong gaming benchmark results.
- PS5 owners adding internal game storage who need an M.2 2280 PCIe 4.0 drive with a heatsink; the GX PRO 850X heatsink version is described as fitting the console.
- Desktop users who regularly load or move large creative-project files and want high sequential read/write performance from a PCIe 4.0 SSD.
- Enthusiast PC builders upgrading a compatible M.2 PCIe 4.0 system who want a high-end 2TB drive with TLC flash, onboard DRAM, and a heatsink-equipped option.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | 2TB internal NVMe storage for gaming, business, or personal use in compatible desktops and laptops; also listed as compatible with Sony PlayStation 5 |
| Capacity | 2TB |
| Interface And Form Factor | PCIe 4.0 x4 with NVMe 1.4, in an M.2 2280-S3-M form factor |
| NAND And Cache | 3D NAND TLC with no DRAM and SLC cache |
| Read And Write Performance | Sequential speeds up to 7,300 MB/s read and 6,600 MB/s write; 4KB random performance up to 1,200,000 IOPS read and 1,100,000 IOPS write |
| Endurance And Reliability | Rated for 1,200TB written and a 1,750,000-hour MTBF |
| Cooling | Includes a heatsink |
| Power Consumption | 5mW idle; average active power is 7.5W during reads and 7.0W during writes |
| Operating Environment And Durability | Operating temperature: 0°C to 85°C; storage temperature: −40°C to 85°C. Shock resistance up to 1,500G at 0.5ms; vibration resistance is specified for operating and non-operating conditions |
| Dimensions And Weight | 80 × 23 × 8.9mm; 24g |
| Model Identifiers | SanDisk Optimus GX PRO 850X; model SDSP81200TAH-000E0 |