SANDISK Optimus GX PRO 850X Heatsink

1000 GB, M.2 2280
CHF422.–/1TB
Delivered between Thu, 21.5. and Fri, 19.6.
free shipping

Memory Size4

Product details

The SanDisk SSD Optimus GX Pro 850X is a powerful M.2 NVMe SSD with a storage capacity of 1 TB. It offers impressive read speeds of up to 7300 MB/s and write speeds of up to 6300 MB/s, making it ideal for demanding applications such as gaming, multimedia editing, and data-intensive tasks. The SSD is equipped with a heatsink that ensures efficient heat dissipation and optimizes performance under load. With a maximum random 4K read performance of 800,000 IOPS and a write performance of 1,100,000 IOPS, this SSD delivers outstanding responsiveness and speed. The combination of TLC NAND technology and NVMe protocol ensures reliable and fast data transfer, while the high MTBF of 1,750,000 hours speaks to its durability. This SSD is an excellent choice for anyone looking for a reliable and high-performance storage solution.

  • 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
  • Efficient heat dissipation through integrated heatsink
  • TLC NAND technology for improved performance and durability.

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
66957395
Manufacturer
SANDISK
Category
SSD
Manufacturer no.
SDSP81100TAH-000E0
Release date
22.1.2026
External links

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
with heatsink
Scope of application
Gaming
Max. TBW
600 TB
MTBF
1750000 h

Power supply

Power consumption
7.20 W

Origin

Country of origin
China

Voluntary climate contribution

CO₂ emissions
95.84 kg
Climate contribution
CHF 2.28

Scope of delivery

Scope of delivery
Heatsink

Product dimensions

Length
8 cm
Width
2.30 cm
Height
0.89 cm
Weight
24 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
  • 2.WaveShare
    0.3 %
  • 5.Samsung
    0.4 %
  • 6.SANDISK
    0.5 %
  • 7.Crucial
    0.6 %
  • 7.Dell
    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
  • 14.Lexar
    3 days
  • 14.Samsung
    3 days
  • 14.SANDISK
    3 days
  • 14.Synology
    3 days
  • 18.Corsair
    7 days

Return rate

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

Source: Digitec Galaxus
  • 11.WD
    2.2 %
  • 12.Raspberry Pi
    2.3 %
  • 13.SANDISK
    2.4 %
  • 14.Crucial
    2.5 %
  • 15.Micron
    2.8 %
Source: Digitec Galaxus