SANDISK Optimus GX PRO 850X Heatsink
4000 GB, M.2 2280Memory Size4
Product details
The SanDisk SSD Optimus GX Pro 850X is a powerful M.2 NVMe SSD with a storage capacity of 4 TB. It offers impressive read and write speeds of up to 7300 MB/s and 6600 MB/s, making it ideal for demanding applications and gaming. This SSD is equipped with a heatsink that ensures efficient cooling and optimizes performance under load. With a high IOPS performance of up to 1,200,000 for read operations and 1,100,000 for write operations, the Optimus GX Pro 850X is excellent for multitasking and data-intensive tasks. The SSD utilizes advanced TLC NAND technology and supports the NVMe protocol, leading to fast data transfer and improved system responsiveness. Its long lifespan of 1,750,000 hours MTBF and high TBW of 2400 TB make it a reliable choice for users who value performance and durability.
- Maximum random 4K read performance of 1,200,000 IOPS
- Maximum random 4K write performance of 1,100,000 IOPS
- Support for SSD TRIM for performance optimization
- Long lifespan with 1,750,000 hours MTBF
- High TBW of 2400 terabytes for intensive use.
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 |
Item number | 66957391 |
Manufacturer | SANDISK |
Category | SSD |
Manufacturer no. | SDSP81400TAH-000E0 |
Release date | 22.1.2026 |
External links |
SSD type | M.2 SSD |
Form factor | M.2 2280 |
Storage capacity | 4000 GB |
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 | with heatsink |
Scope of application | Gaming |
Max. TBW | 2400 TB |
MTBF | 1750000 h |
Power consumption | 8 W |
CO₂ emissions | 95.84 kg |
Climate contribution | CHF 2.28 |
Scope of delivery | Acronis True Image |
Length | 8 cm |
Width | 2.40 cm |
Height | 1.03 cm |
Weight | 30.40 g |
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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.WaveShare0.3 %
- 5.Samsung0.4 %
- 6.SANDISK0.5 %
- 7.Crucial0.6 %
- 7.Dell0.6 %
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.Lexar3 days
- 14.Samsung3 days
- 14.SANDISK3 days
- 14.Synology3 days
- 18.Corsair7 days
Return rate
How often is a product of this brand in the «SSD» category returned?
Source: Digitec Galaxus- 11.WD2.2 %
- 12.Raspberry Pi2.3 %
- 13.SANDISK2.4 %
- 14.Crucial2.5 %
- 15.Micron2.8 %