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SanDisk Optimus GX Pro 850X 2TB

Ranked #48 of 108 in Best internal NVMe SSDs, ranked on official maker specs. Here is every spec we scored, where it came from, and how it compares.

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S

#48

SanDisk Optimus GX Pro 850X 2TB

Best for: Official 7,300 MB/s sequential read, 6,600 MB/s sequential write, 2 TB

4.2/10

What we like

Official maker page lists a sequential read speed of 7,300 MB/s.
Official maker page lists a sequential write speed of 6,600 MB/s.
Official maker page lists a capacity of 2 TB.
Official maker page lists endurance of 1,200 TB written.

Watch out for

Official figures are for the configuration shown on the official product page, not a test we ran.

Score breakdown

Official sequential read 50%

Official sequential write 50%

Official sequential read	7300 MB/s
Official sequential write	6600 MB/s
Official model number	SDSP81200TAH-000E0
Official product name	SanDisk Optimus GX Pro 850X 2TB
Official sequential read	7,300 MB/s
Official sequential write	6,600 MB/s
Official capacity	2 TB
Official endurance (TBW)	1,200 TB
Official interface	PCIe 4.0 x4
Official form factor	M.2 2280 S3-M
Official warranty	5 years
Official notes	Official heatsink, color or enclosure variants with the same official scored specifications were consolidated onto this page: SDSP81200TAN-000E0.
Price	Check price

Check price at Amazon

Specs source:

Official SanDisk product page

How it compares

Open the full comparison table

SanDisk Optimus GX Pro 8100 2TB

#1 · Official 14,900 MB/s sequential read, 14,000 MB/s sequential write, 2 TB

SanDisk Optimus GX Pro 8100 4TB

#2 · Official 14,900 MB/s sequential read, 14,000 MB/s sequential write, 4 TB

WD_BLACK SN8100 2TB

#3 · Official 14,900 MB/s sequential read, 14,000 MB/s sequential write, 2 TB

WD_BLACK SN8100 4TB

#4 · Official 14,900 MB/s sequential read, 14,000 MB/s sequential write, 4 TB

Crucial T710 1TB

#5 · Official 14,900 MB/s sequential read, 13,700 MB/s sequential write, 1 TB

Crucial T710 4TB

#6 · Official 14,500 MB/s sequential read, 13,800 MB/s sequential write, 4 TB

Samsung 9100 PRO 1TB

#7 · Official 14,800 MB/s sequential read, 13,400 MB/s sequential write, 1 TB

Samsung 9100 PRO 2TB

#8 · Official 14,800 MB/s sequential read, 13,400 MB/s sequential write, 2 TB

Samsung 9100 PRO 4TB

#9 · Official 14,800 MB/s sequential read, 13,400 MB/s sequential write, 4 TB

Samsung 9100 PRO 8TB

#10 · Official 14,800 MB/s sequential read, 13,400 MB/s sequential write, 8 TB

SanDisk NAS 800 1.92TB

#11 · Official 14,900 MB/s sequential read, 13,200 MB/s sequential write, 1.92 TB

SanDisk Optimus GX Pro 8100 8TB

#12 · Official 14,900 MB/s sequential read, 13,200 MB/s sequential write, 8 TB

WD_BLACK SN8100 8TB

#13 · Official 14,900 MB/s sequential read, 13,200 MB/s sequential write, 8 TB

SanDisk NAS 800 3.84TB

#14 · Official 14,900 MB/s sequential read, 13,100 MB/s sequential write, 3.84 TB

SanDisk NAS 800 7.68TB

#15 · Official 14,900 MB/s sequential read, 13,000 MB/s sequential write, 7.68 TB

Crucial T705 2TB

#16 · Official 14,500 MB/s sequential read, 12,700 MB/s sequential write, 2 TB

Crucial T705 4TB

#17 · Official 14,100 MB/s sequential read, 12,600 MB/s sequential write, 4 TB

SanDisk NAS 800 960GB

#18 · Official 14,900 MB/s sequential read, 11,000 MB/s sequential write, 960 GB

SanDisk Optimus GX Pro 8100 1TB

#19 · Official 14,900 MB/s sequential read, 11,000 MB/s sequential write, 1 TB

WD_BLACK SN8100 1TB

#20 · Official 14,900 MB/s sequential read, 11,000 MB/s sequential write, 1 TB

Crucial T700 2TB

#21 · Official 12,400 MB/s sequential read, 11,800 MB/s sequential write, 2 TB

Crucial T700 4TB

#22 · Official 12,400 MB/s sequential read, 11,800 MB/s sequential write, 4 TB

Crucial T705 1TB

#23 · Official 13,600 MB/s sequential read, 10,200 MB/s sequential write, 1 TB

Crucial T700 1TB

#24 · Official 11,700 MB/s sequential read, 9,500 MB/s sequential write, 1 TB

Crucial P510 1TB

#25 · Official 11,000 MB/s sequential read, 9,500 MB/s sequential write, 1 TB

Crucial P510 2TB

#26 · Official 10,000 MB/s sequential read, 8,700 MB/s sequential write, 2 TB

Crucial T500 2TB

#27 · Official 7,400 MB/s sequential read, 7,000 MB/s sequential write, 2 TB

Samsung 990 PRO 1TB

#28 · Official 7,450 MB/s sequential read, 6,900 MB/s sequential write, 1 TB

Samsung 990 PRO 2TB

#29 · Official 7,450 MB/s sequential read, 6,900 MB/s sequential write, 2 TB

Samsung 990 PRO 4TB

#30 · Official 7,450 MB/s sequential read, 6,900 MB/s sequential write, 4 TB

Crucial T500 1TB

#31 · Official 7,300 MB/s sequential read, 6,800 MB/s sequential write, 1 TB

SanDisk Optimus GX 7100 1TB

#32 · Official 7,250 MB/s sequential read, 6,900 MB/s sequential write, 1 TB

SanDisk Optimus GX 7100 2TB

#33 · Official 7,250 MB/s sequential read, 6,900 MB/s sequential write, 2 TB

SanDisk Optimus GX 7100M 1TB

#34 · Official 7,250 MB/s sequential read, 6,900 MB/s sequential write, 1 TB

SanDisk Optimus GX 7100M 2TB

#35 · Official 7,250 MB/s sequential read, 6,900 MB/s sequential write, 2 TB

SanDisk Optimus GX 7100X for ROG Xbox Ally X 2TB

#36 · Official 7,250 MB/s sequential read, 6,900 MB/s sequential write, 2 TB

SanDisk SN7100S 1.024TB

#37 · Official 7,250 MB/s sequential read, 6,900 MB/s sequential write, 1.024 TB

SanDisk SN7100S 2.048TB

#38 · Official 7,250 MB/s sequential read, 6,900 MB/s sequential write, 2.048 TB

WD_BLACK SN7100 1TB

#39 · Official 7,250 MB/s sequential read, 6,900 MB/s sequential write, 1 TB

WD_BLACK SN7100 2TB

#40 · Official 7,250 MB/s sequential read, 6,900 MB/s sequential write, 2 TB

WD_BLACK SN7100X for ROG Xbox Ally X 2TB

#41 · Official 7,250 MB/s sequential read, 6,900 MB/s sequential write, 2 TB

Crucial T500 4TB

#42 · Official 7,000 MB/s sequential read, 6,900 MB/s sequential write, 4 TB

SanDisk Optimus 5100 1TB

#43 · Official 7,100 MB/s sequential read, 6,700 MB/s sequential write, 1 TB

SanDisk Optimus 5100 2TB

#44 · Official 7,100 MB/s sequential read, 6,700 MB/s sequential write, 2 TB

SanDisk Optimus GX Pro 850P for PS5 2TB

#45 · Official 7,300 MB/s sequential read, 6,600 MB/s sequential write, 2 TB

SanDisk Optimus GX Pro 850P for PS5 4TB

#46 · Official 7,300 MB/s sequential read, 6,600 MB/s sequential write, 4 TB

SanDisk Optimus GX Pro 850P for PS5 8TB

#47 · Official 7,200 MB/s sequential read, 6,600 MB/s sequential write, 8 TB

SanDisk Optimus GX Pro 850X 4TB

#49 · Official 7,300 MB/s sequential read, 6,600 MB/s sequential write, 4 TB

SanDisk Optimus GX Pro 850X 8TB

#50 · Official 7,200 MB/s sequential read, 6,600 MB/s sequential write, 8 TB

WD Blue SN5100 1TB

#51 · Official 7,100 MB/s sequential read, 6,700 MB/s sequential write, 1 TB

WD Blue SN5100 2TB

#52 · Official 7,100 MB/s sequential read, 6,700 MB/s sequential write, 2 TB

WD_BLACK SN850P for PS5 2TB

#53 · Official 7,300 MB/s sequential read, 6,600 MB/s sequential write, 2 TB

WD_BLACK SN850P for PS5 4TB

#54 · Official 7,300 MB/s sequential read, 6,600 MB/s sequential write, 4 TB

WD_BLACK SN850P for PS5 8TB

#55 · Official 7,200 MB/s sequential read, 6,600 MB/s sequential write, 8 TB

WD_BLACK SN850X 2TB

#56 · Official 7,300 MB/s sequential read, 6,600 MB/s sequential write, 2 TB

WD_BLACK SN850X 4TB

#57 · Official 7,300 MB/s sequential read, 6,600 MB/s sequential write, 4 TB

WD_BLACK SN850X 8TB

#58 · Official 7,200 MB/s sequential read, 6,600 MB/s sequential write, 8 TB

Samsung 990 EVO Plus 2TB

#59 · Official 7,250 MB/s sequential read, 6,300 MB/s sequential write, 2 TB

Samsung 990 EVO Plus 4TB

#60 · Official 7,250 MB/s sequential read, 6,300 MB/s sequential write, 4 TB

SanDisk Optimus 5100 4TB

#61 · Official 6,900 MB/s sequential read, 6,700 MB/s sequential write, 4 TB

SanDisk Optimus GX 7100 4TB

#62 · Official 7,000 MB/s sequential read, 6,700 MB/s sequential write, 4 TB

SanDisk Optimus GX 7100X for ROG Xbox Ally X 4TB

#63 · Official 7,000 MB/s sequential read, 6,700 MB/s sequential write, 4 TB

SanDisk Optimus GX Pro 850P for PS5 1TB

#64 · Official 7,300 MB/s sequential read, 6,300 MB/s sequential write, 1 TB

SanDisk Optimus GX Pro 850X 1TB

#65 · Official 7,300 MB/s sequential read, 6,300 MB/s sequential write, 1 TB

WD Blue SN5100 4TB

#66 · Official 6,900 MB/s sequential read, 6,700 MB/s sequential write, 4 TB

WD_BLACK SN7100 4TB

#67 · Official 7,000 MB/s sequential read, 6,700 MB/s sequential write, 4 TB

WD_BLACK SN7100X for ROG Xbox Ally X 4TB

#68 · Official 7,000 MB/s sequential read, 6,700 MB/s sequential write, 4 TB

WD_BLACK SN850P for PS5 1TB

#69 · Official 7,300 MB/s sequential read, 6,300 MB/s sequential write, 1 TB

WD_BLACK SN850X 1TB

#70 · Official 7,300 MB/s sequential read, 6,300 MB/s sequential write, 1 TB

Samsung 990 EVO Plus 1TB

#71 · Official 7,150 MB/s sequential read, 6,300 MB/s sequential write, 1 TB

Crucial P310 1TB

#72 · Official 7,100 MB/s sequential read, 6,000 MB/s sequential write, 1 TB

Crucial P310 2TB

#73 · Official 7,100 MB/s sequential read, 6,000 MB/s sequential write, 2 TB

Crucial P310 4TB

#74 · Official 7,100 MB/s sequential read, 6,000 MB/s sequential write, 4 TB

SanDisk Optimus GX 7100 500GB

#75 · Official 6,800 MB/s sequential read, 5,800 MB/s sequential write, 500 GB

SanDisk SN7100S 512GB

#76 · Official 6,800 MB/s sequential read, 5,800 MB/s sequential write, 512 GB

WD_BLACK SN7100 500GB

#77 · Official 6,800 MB/s sequential read, 5,800 MB/s sequential write, 500 GB

Samsung 980 PRO 1TB

#78 · Official 7,000 MB/s sequential read, 5,000 MB/s sequential write, 1 TB

Samsung 980 PRO 2TB

#79 · Official 7,000 MB/s sequential read, 5,100 MB/s sequential write, 2 TB

SanDisk Optimus 5100 500GB

#80 · Official 6,600 MB/s sequential read, 5,600 MB/s sequential write, 500 GB

WD Blue SN5100 500GB

#81 · Official 6,600 MB/s sequential read, 5,600 MB/s sequential write, 500 GB

SanDisk SN7100S 256GB

#82 · Official 6,200 MB/s sequential read, 4,400 MB/s sequential write, 256 GB

WD Blue SN5000 4TB

#83 · Official 5,500 MB/s sequential read, 5,000 MB/s sequential write, 4 TB

WD Blue SN5000 1TB

#84 · Official 5,150 MB/s sequential read, 4,900 MB/s sequential write, 1 TB

WD Blue SN5000 2TB

#85 · Official 5,150 MB/s sequential read, 4,850 MB/s sequential write, 2 TB

WD_BLACK SN770M 1TB

#86 · Official 5,150 MB/s sequential read, 4,900 MB/s sequential write, 1 TB

WD_BLACK SN770M 2TB

#87 · Official 5,150 MB/s sequential read, 4,850 MB/s sequential write, 2 TB

Crucial P3 Plus 2TB

#88 · Official 5,000 MB/s sequential read, 4,200 MB/s sequential write, 2 TB

Samsung 990 EVO 1TB

#89 · Official 5,000 MB/s sequential read, 4,200 MB/s sequential write, 1 TB

Samsung 990 EVO 2TB

#90 · Official 5,000 MB/s sequential read, 4,200 MB/s sequential write, 2 TB

WD Green SN3000 1TB

#91 · Official 5,000 MB/s sequential read, 4,200 MB/s sequential write, 1 TB

WD Green SN3000 2TB

#92 · Official 5,000 MB/s sequential read, 4,200 MB/s sequential write, 2 TB

Crucial P3 Plus 4TB

#93 · Official 4,800 MB/s sequential read, 4,100 MB/s sequential write, 4 TB

WD Blue SN5000 500GB

#94 · Official 5,000 MB/s sequential read, 4,000 MB/s sequential write, 500 GB

WD Green SN3000 500GB

#95 · Official 5,000 MB/s sequential read, 4,100 MB/s sequential write, 500 GB

WD_BLACK SN770M 500GB

#96 · Official 5,000 MB/s sequential read, 4,000 MB/s sequential write, 500 GB

Crucial P3 Plus 1TB

#97 · Official 5,000 MB/s sequential read, 3,600 MB/s sequential write, 1 TB

Crucial P3 1TB

#98 · Official 3,500 MB/s sequential read, 3,000 MB/s sequential write, 1 TB

Crucial P3 2TB

#99 · Official 3,500 MB/s sequential read, 3,000 MB/s sequential write, 2 TB

Crucial P3 4TB

#100 · Official 3,500 MB/s sequential read, 3,000 MB/s sequential write, 4 TB

WD Green SN350 2TB

#101 · Official 3,200 MB/s sequential read, 3,200 MB/s sequential write, 2 TB

WD Red SN700 1TB

#102 · Official 3,430 MB/s sequential read, 3,000 MB/s sequential write, 1 TB

WD Red SN700 2TB

#103 · Official 3,400 MB/s sequential read, 2,900 MB/s sequential write, 2 TB

WD Red SN700 4TB

#104 · Official 3,400 MB/s sequential read, 3,100 MB/s sequential write, 4 TB

WD Red SN700 500GB

#105 · Official 3,430 MB/s sequential read, 2,600 MB/s sequential write, 500 GB

WD Red SN700 250GB

#106 · Official 3,100 MB/s sequential read, 1,600 MB/s sequential write, 250 GB

WD Green SN350 250GB

#107 · Official 2,400 MB/s sequential read, 1,500 MB/s sequential write, 250 GB

WD Green SN350 500GB

#108 · Official 2,400 MB/s sequential read, 1,500 MB/s sequential write, 500 GB