SANDISK Optimus GX PRO 850X

2000 GB, M.2 2280
CHF551.01/1TB
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Memory Size3

Storage Cooling2

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Product details

The SanDisk SSD Optimus GX Pro 850X is a powerful M.2 NVMe SSD with a storage capacity of 2 TB. It is designed to provide high speed and reliability for PCs and laptops. With an impressive read speed of up to 7300 MB/s and a write speed of up to 6600 MB/s, this SSD enables fast data transfers and improved system performance. The use of TLC NAND technology ensures efficient storage and longevity. The SSD is ideal for applications that have high IOPS requirements, such as gaming, content creation, and data analysis. Additionally, the SSD offers an MTBF of 1,750,000 hours, indicating its reliability. Its compact form factor and lightweight design make it a practical choice for modern devices.

  • Maximum random 4K read performance of 1,200,000 IOPS
  • Maximum random 4K write performance of 1,100,000 IOPS
  • MTBF of 1,750,000 hours for high reliability
  • Maximum TBW of 1200 TB for long-term use
  • Includes Acronis True Image for data backup.

Key specifications

Interface
PCIe
Interface version
PCIe 4.0
Protocol
NVMe
Read transfer speed
7300 MB/s
Write transfer speed
6600 MB/s
Max. random 4K read
1200000 IOPS
Max. random 4K write
1100000 IOPS

General information

Item number
66957417
Manufacturer
SANDISK
Category
SSD
Manufacturer No.
SDSP81200TAN-000E0
Release date
22.1.2026

Data storage properties

SSD type
M.2 SSD
Form factor
M.2 2280
Storage capacity
2000 GB
Interface
PCIe
Interface version
PCIe 4.0
Protocol
NVMe
Read transfer speed
7300 MB/s
Write transfer speed
6600 MB/s
Memory type (NAND)
TLC
Max. random 4K read
1200000 IOPS
Max. random 4K write
1100000 IOPS
Storage Cooling
without heatsink
Scope of application
Gaming
SSD Features
TCG Opal
Max. TBW
1200 TB
MTBF
1750000 h

Power

Power consumption
7.50 W

Origin

Country of origin
Malaysia

Sustainability

Manufacturer commitment
SBTi

Voluntary climate contribution

CO₂ emissions
95.84 kg
Climate contribution
CHF 2.28

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