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Compare SANDISK Optimus GX PRO 850X 1TB vs HP EX950 512GB

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  2. Solid State Drives
  3. SANDISK Optimus GX PRO 850X 1TB 🆚 HP EX950 512GB
SANDISK Optimus GX PRO 850X 1TB and HP EX950 512GB are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity and Interface.
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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 EX950 M.2 2280 512GB PCle Gen3 x4, NVMe1.3 3D NAND 5MS22AA#ABC
HP EX950 512GB
Prices
(Change region)
In Stock
$329.99
In Stock
Free shipping
$329.99
In Stock
$329.99
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Prices
(Change region)
Out of Stock
Free shipping
$63.99
Out of Stock
Free shipping
$87.99
-
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* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand
SanDisk
Brand
HP
Model
  • SDSP81100TAN-000E0
  • SDSP81100TAN
Model
5MS22AA#ABC
Release Date
📅 February 2026
Release Date
📅 August 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★☆
(13 reviews)
Performance (Charts)
n/a
Performance (Charts)
91st / 1746
Effective Value
-
Effective Value
61st / 336
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.33
Price/GB
$0.12
GB/$1
3.03
GB/$1
8
Series
-
Series
EX950
Capacity
1000 GB
Capacity
512 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen3 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2280
SSD Controller
-
SSD Controller
HP
NAND Flash Type
-
NAND Flash Type
3D NAND
Max Sequential Read
-
Max Sequential Read
Up to 3500 MB/s
Max Sequential Write
-
Max Sequential Write
Up to 2250 MB/s
MTBF
-
MTBF
2,000,000 hours
-

Comparison and key differences summary

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

  • Newer Product, it was released around 6 years later
  • More Capacity (+488 GB available)
  • Newer interface (PCIe Gen4 x4)

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Reasons to buy the HP EX950 512GB:

  • 81% cheaper, you can save $266.00

Buy now

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