Compare Solid State Drives

Compare SANDISK Optimus GX PRO 850X 1TB vs HP FX900 Pro 4TB

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  2. Solid State Drives
  3. SANDISK Optimus GX PRO 850X 1TB 🆚 HP FX900 Pro 4TB
SANDISK Optimus GX PRO 850X 1TB and HP FX900 Pro 4TB are both solid state drives with the same Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in Capacity.
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SANDISK Optimus GX PRO 850X 1TB NVMe PCIe Gen4 x4 M.2-2280 SDSP81100TAN-000E0
SANDISK Optimus GX PRO 850X 1TB
HP FX900 Pro 4TB NVMe Gen 4 PCIe 4.0 16 Gb/s M.2 2280 3D TLC NAND DRAM Cache 4A3U2AA#ABB
HP FX900 Pro 4TB
Prices
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In Stock
$329.99
In Stock
Free shipping
$329.99
In Stock
$329.99
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Brand
SanDisk
Brand
HP
Model
  • SDSP81100TAN-000E0
  • SDSP81100TAN
Model
4A3U2AA#ABB
Release Date
📅 February 2026
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.33
Price/GB
-
GB/$1
3.03
GB/$1
-
Capacity
1000 GB
Capacity
4000 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen4 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2280
-

Comparison and key differences summary

Reasons to buy the SANDISK Optimus GX PRO 850X 1TB:

Buy now

Reasons to buy the HP FX900 Pro 4TB:

  • More Capacity (+3000 GB available)

Buy now

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