Sabrent Rocket 4 Plus 2TB vs SANDISK Optimus GX PRO 850X 8TB Heatsink SSD Comparison

Sabrent Rocket 4 Plus 2TB and SANDISK Optimus GX PRO 850X 8TB Heatsink are both solid state drives with the same Interface (PCIe Gen4 x4), Form Factor (M.2-2280) and Max Sequential Write (Up to 6600 MB/s). The main differences are in Capacity, NAND Flash Type, Max Sequential Read and MTBF.

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Sabrent Rocket 4 Plus 2TB	SANDISK Optimus GX PRO 850X 8TB Heatsink
Prices (Change region) Out of Stock Free shipping $194.99 Out of Stock Free shipping $219.99 Out of Stock Free shipping $219.99 - Buy now Show 1 more offers	Prices (Change region) In Stock $2,699.99 In Stock Free shipping $2,699.99 In Stock Free shipping $2,699.99 In Stock Free shipping $2,766.24 Show 1 more offers
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Brand SABRENT	Brand SanDisk
Model SB-RKT4P-2TB	Model SDSP81800TAH-000E0 SDSP81800TAH
Release Date 📅 November 2020	Release Date 📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews ★★★★★ (3 reviews) Add a product review	User reviews Add a product review
Price history View Details ►	Price history View Details ►
Price/GB $0.10	Price/GB $0.34
GB/$1 10.26	GB/$1 2.96
Series Rocket 4 Plus	Series Optimus GX PRO 850X
Capacity 2000 GB	Capacity 8000 GB
Interface PCIe Gen4 x4	Interface PCIe Gen4 x4
NVME Yes	NVME Yes
Form Factor M.2-2280	Form Factor M.2-2280
SSD Controller Phison E18	SSD Controller -
NAND Flash Type 3D TLC NAND	NAND Flash Type 3D NAND TLC
Max Sequential Read Up to 7100 MB/s	Max Sequential Read Up to 7200 MB/s
Max Sequential Write Up to 6600 MB/s	Max Sequential Write Up to 6600 MB/s
MTBF 1,600,000 hours	MTBF 1,750,000 hours