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SanDisk Optimus GX PRO 850X M.2 2280-D5-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81400TAH-000E0

Capacity: 850X 4TB 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.[

Overview

Specs

Reviews

SanDisk Optimus GX PRO 850X M. 2 2280-D5-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP81400TAH-000E0

Model
Brand	SanDisk
Series	Optimus GX PRO 850X
Model	SDSP81400TAH-000E0
Device Type	Internal Solid State Drive (SSD)

Environmental
Power Consumption (Idle)	5 mW
Power Consumption (Active)	Average Active Power Read: 8.0W Average Active Power Write: 7.2W
Operating Temperature	0°C ~ +85°C
Storage Temperature	-40°C ~ +85°C
Max Shock Resistance	1,500G @ 0.5 ms half-sine
Max Vibration Resistance	Operating Vibration: 5 gRMS, 10-2000 Hz, 3 axes Non-operating Vibration: 4.9 gRMS, 7-800 Hz, 3 axes

Additional Information
First Listed on Newegg	June 01, 2026

Warranty & Returns