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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

  • 850X 1TB
  • 850X 1TB w/ Heatsink
  • 850X 2TB
  • 850X 2TB w/ Heatsink
  • 850X 4TB
  • 850X 4TB w/ Heatsink
  • 850X 8TB w/ Heatsink
  • 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

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  • Read full return policy for details.
  • *Subject to applicable law
  • Warranty Notice:

    This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
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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

AttributeValue
Best For2TB internal NVMe storage for gaming, business, or personal use in compatible desktops and laptops; also listed as compatible with Sony PlayStation 5
Capacity2TB
Interface And Form FactorPCIe 4.0 x4 with NVMe 1.4, in an M.2 2280-S3-M form factor
NAND And Cache3D NAND TLC with no DRAM and SLC cache
Read And Write PerformanceSequential 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 ReliabilityRated for 1,200TB written and a 1,750,000-hour MTBF
CoolingIncludes a heatsink
Power Consumption5mW idle; average active power is 7.5W during reads and 7.0W during writes
Operating Environment And DurabilityOperating 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 Weight80 × 23 × 8.9mm; 24g
Model IdentifiersSanDisk Optimus GX PRO 850X; model SDSP81200TAH-000E0