SANDISK 4TB Optimus™ GX PRO 850X PCIe® 4.0 x4 M.2 2280 NVMe™ SSD - SDSP81400TAN-000E0

Overview

The SANDISK Optimus™ GX PRO 850X is a 4TB internal solid state drive for desktop and notebook systems with an M.2 2280 slot and PCI-Express 4.0 x4 interface. It combines NVMe 1.4 performance, TLC 3D NAND, and high-capacity storage for gaming, applications, and creative workflows.

Key Features

• 4TB capacity for storing games, applications, and creative files
• PCIe® 4.0 x4 interface with NVMe 1.4 protocol
• SanDisk BiCS TLC 3D NAND and SANDISK® nCache™ 4.0 technology
• TCG Opal v2.01 data-at-rest encryption
• SANDISK® Dashboard application for Windows® with Game Mode

Performance

Sequential performance reaches up to 7,300 MBps read and 6,600 MBps write. 4KB random performance reaches up to 1,200,000 IOPS read and 1,100,000 IOPS write. The drive is rated for up to 2,400TB written, with average active power of 8.0W for read and 7.2W for write, plus 5mW idle power.

Design

The drive uses an M.2 2280-D5-M form factor and is supplied without a heatsink. It measures 80mm deep, 22mm wide, and 3.88mm high, with a listed weight of 8.6g.

Connectivity & Compatibility

This internal SSD connects through a PCI-Express 4.0 x4 interface and uses the NVMe 1.4 protocol. Its M.2 2280-D5-M form factor is intended for systems with a compatible M.2 slot. The original listing also identifies support for Microsoft® DirectStorage games.

Reliability & Durability

The drive has a listed MTBF of 1,750,000 hours and an endurance rating of 2,400TB written. Operating temperature is 0°C to +85°C, while storage temperature is -40°C to +85°C. Shock resistance is rated at 1,500G at 0.5ms half-sine. Operating vibration is 5 gRMS at 10–2000Hz across 3 axes, and non-operating vibration is 4.9 gRMS at 7–800Hz across 3 axes. TCG Opal v2.01 data-at-rest encryption helps protect stored data.

Software & Tools

The SANDISK® Dashboard application is available for Windows® and provides drive management tools. The original listing also identifies Game Mode as an available software feature.

Specifications

• Brand: SanDisk
• Series: Optimus GX PRO 850X
• Model: SDSP81400TAN-000E0
• Device Type: Internal Solid State Drive (SSD)
• Capacity: 4TB
• Form Factor: M.2 2280-D5-M
• Memory Components: 3D NAND TLC
• Interface: PCI-Express 4.0 x4
• Protocol: NVMe 1.4
• 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): 2400TB
• MTBF: 1,750,000 hours
• Heatsink: Without heatsink
• Idle Power: 5mW
• Average Active Power Read: 8.0W
• Average Active Power Write: 7.2W
• Operating Temperature: 0°C to +85°C
• Storage Temperature: -40°C to +85°C
• Height: 3.88mm
• Width: 22mm
• Depth: 80mm
• Weight: 8.6g