SANDISK Optimus GX PRO 850X

1000 GB, M.2 2280
CHF518.–/1TB
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Memory Size3

Storage Cooling2

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Product details

The SanDisk Optimus GX PRO 850X is a powerful M.2 NVMe SSD with a storage capacity of 1 TB. It is designed to provide high speed and reliability for various applications, whether for PCs, laptops, or gaming consoles. With an impressive read speed of up to 7300 MB/s and a write speed of 6300 MB/s, this SSD enables fast data transfers and improved system performance. The use of TLC NAND technology ensures efficient storage and a long product lifespan. Its compact form factor and lightweight design make installation in various devices easy and straightforward.

  • Maximum random 4K read performance of 800,000 IOPS
  • Maximum random 4K write performance of 1,100,000 IOPS
  • MTBF of 1,750,000 hours for high reliability
  • Maximum TBW of 600 TB for long-lasting use
  • Low power consumption of 7.2 watts during operation.

Key specifications

Interface
PCIe
Interface version
PCIe 4.0
Protocol
NVMe
Read transfer speed
7300 MB/s
Write transfer speed
6300 MB/s
Max. random 4K read
800000 IOPS
Max. random 4K write
1100000 IOPS

General information

Item number
66957418
Manufacturer
SANDISK
Category
SSD
Manufacturer No.
SDSP81100TAN-000E0
Release date
22.1.2026

Data storage properties

SSD type
M.2 SSD
Form factor
M.2 2280
Storage capacity
1000 GB
Interface
PCIe
Interface version
PCIe 4.0
Protocol
NVMe
Read transfer speed
7300 MB/s
Write transfer speed
6300 MB/s
Memory type (NAND)
TLC
Max. random 4K read
800000 IOPS
Max. random 4K write
1100000 IOPS
Storage Cooling
without heatsink
Scope of application
Gaming
SSD Features
TCG Opal
Max. TBW
600 TB
MTBF
1750000 h

Power

Power consumption
7.20 W

Origin

Country of origin
China, Malaysia

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂ emissions
95.84 kg
Climate contribution
CHF 2.28

Scope of delivery

Scope of delivery
SSD

Product dimensions

Length
8 cm
Width
2.20 cm
Height
0.24 cm
Weight
7.50 g

30-day right of return
36 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «SSD» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 4.HP
    0.5 %
  • 4.MSI
    0.5 %
  • 4.SANDISK
    0.5 %
  • 7.Crucial
    0.6 %
  • 7.Emtec
    0.6 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 12.Corsair
    3 days
  • 12.Lexar
    3 days
  • 12.Patriot
    3 days
  • 12.SANDISK
    3 days
  • 16.Seagate
    4 days

Return rate

How often is a product of this brand in the «SSD» category returned?

Source: Digitec Galaxus
  • 12.WD
    2.4 %
  • 14.Crucial
    2.6 %
  • 15.SANDISK
    3 %
  • 15.Seagate
    3 %
  • 17.Verbatim
    3.1 %
Source: Digitec Galaxus