SanDisk Optimus GX PRO 850X 4TB M.2 2280 NVMe PCIe 4.0 with Heatsink

MPN SDSP81400TAH-000E0 UPC 619659231996

Capacity: 4TB
Interface: NVMe PCIe 4.0 x4
Form factor: M.2 2280
Read / write: 7,300 / 6,600 MB/s
Endurance: 2,400 TBW
NAND: TLC

Best price now

$979.97

The store's own price · checked 2 hr ago · 4:50 AM

Lowest price in 30 days

Lowest in 30 days: $979.97 · typical: $979.99

Near you

In stock at 28 stores nationwide.

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Where to buy

★ 1.0 out of 5 from 1 customer rating at Walmart. How we count

In stock Amazon.com · free ship · 2 hr ago · 4:50 AM $979.97

In stock ★ 1.0 (1) · Newegg Inc. (marketplace seller) · free ship · 2 hr ago · 5:09 AM $979.99

In stock B&H Photo · 3 hr ago · 3:30 AM $979.99

In stock SanDisk Store · 8 hr ago · Yesterday 10:36 PM $979.99

In stock online In store at 28 of 30 · 2 hr ago · 4:55 AM $979.99

In stock Newegg · free ship · 25 min ago · 6:54 AM $979.99

Out of stock Adorama · Nov 2, 7:28 PM $979.99

Out of stock antonline (marketplace seller) · free ship · Oct 19, 4:59 AM $1,126.22

Not confirmed antonline (marketplace seller) · Oct 18, 12:47 PM $1,150.70

In-store stock · 28 stores

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Store	Price	Stock	Open box
MCPhoenix AZ · Closed	$980	1	-
MCSanta Clara CA · Closed	$980	1	-
MCTustin CA · Closed	$980	1	-
MCDenver CO · Closed	$980	1	-
MCMiami FL · Closed	$980	1	-
MCMarietta GA · Closed	$980	1	-
MCChicago IL · Closed	$980	1	-
MCWestmont IL · Closed	$980	1	-
MCIndianapolis IN · Closed	$980	1	-
MCOverland Park KS · Closed	$980	1	-
MCCambridge MA · Closed	$980	1	-
MCRockville MD · Closed	$980	1	-
MCMadison Heights MI · Closed	$980	1	-
MCSt. Louis Park MN · Closed	$980	1	-
MCBrentwood MO · Closed	$980	1	-
MCCharlotte NC · Closed	$980	1	-
MCNorth Jersey NJ · Closed	$980	1	-
MCBrooklyn NY · Closed	$980	1	-
MCFlushing NY · Closed	$980	1	-
MCWestbury NY · Closed	$980	1	-
MCYonkers NY · Closed	$980	1	-
MCColumbus OH · Closed	$980	1	-
MCMayfield Heights OH · Closed	$980	1	-
MCSharonville OH · Closed	$980	2	-
MCSt. Davids PA · Closed	$980	1	-
MCDallas TX · Closed	$980	1	-
MCHouston TX · Closed	$980	1	-
MCFairfax VA · Closed	$980	1	-
MCDuluth GA · Closed	$980	Sold out	-
MCParkville MD · Closed	$980	Sold out	-

Price history

Lowest in-stock price by retailer

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Time	Retailer	Lowest in stock

Specifications

Drive

Capacity: 4TB
Form factor: M.2 2280
Interface: NVMe PCIe 4.0 x4
NAND: TLC
DRAM cache: Yes

Performance

Sequential read: 7,300 MB/s
Sequential write: 6,600 MB/s
Random read: 1,200,000 IOPS
Random write: 1,100,000 IOPS

Endurance

Rated writes: 2,400 TB
Warranty: 5 years

Features

Heatsink: Yes
Hardware encryption: Yes

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Full spec sheet from Newegg

Model/Brand: SanDisk
Model/Model: SDSP81400TAH-000E0
Model/Series: Optimus GX PRO 850X
Details/Capacity: 4TB
Details/Protocol: NVMe 1.4
Performance/MTBF: 1,750,000 hours
Details/Interface: PCI-Express 4.0 x4
Model/Device Type: Internal Solid State Drive (SSD)
Details/Form Factor: M.2 2280-D5-M
Performance/HeatSink: with HeatSink
Details/Memory Components: 3D NAND TLC
Dimensions & Weight/Depth: 80mm
Dimensions & Weight/Width: 24mm
Dimensions & Weight/Height: 10.31mm
Dimensions & Weight/Weight: 30.4g
Performance/4KB Random Read: Up to 1,200,000 IOPS
Performance/4KB Random Write: Up to 1,100,000 IOPS
Performance/Max Sequential Read: Up to 7300 MBps
Performance/Max Sequential Write: Up to 6600 MBps
Environmental/Storage Temperature: -40°C ~ +85°C
Environmental/Max Shock Resistance: 1,500G @ 0.5 ms half-sine
Environmental/Operating Temperature: 0°C ~ +85°C
Performance/Terabytes Written (TBW): 2400TB
Environmental/Max Vibration Resistance: Operating Vibration: 5 gRMS, 10-2000 Hz, 3 axes Non-operating Vibration: 4.9 gRMS, 7-800 Hz, 3 axes
Environmental/Power Consumption (Idle): 5 mW
Environmental/Power Consumption (Active): Average Active Power Read: 8.0W Average Active Power Write: 7.2W
Additional Information/First Listed on Newegg: June 01, 2026

Full spec sheet from Adorama

family: IDSDSP8110T

Full spec sheet from Best Buy

UPC: 619659231996
Brand: Western Digital
Usage: Everyday computing, Gaming, Performance computing
Form Factor: M.2 2280
Interface(s): PCIe Gen 4 x4
Model Number: SDSP81400TAH-000E0
Product Name: Optimus GX PRO 850X NVMe SSD - 4TB
Product Width: 0.9 inches
Product Height: 0.4 inches
Product Weight: 1.07 ounces
Storage Capacity: 4000 gigabytes
Warranty - Labor: Limited Warranty period (labor): 5 years
Warranty - Parts: 5 Year Limited
Storage Drive Type: SSD
Internal Or External: Internal
Product Compatibility: Desktop computers, Laptop computers, PlayStation 5

Full spec sheet from Micro Center

SKU: 028068
UPC: 619659231996
Mfr Part#: SDSP81400TAH-00

Full spec sheet from SanDisk Store

Parts: 5-Year Limited Warranty
Capacity: 4 TB
Features: with heatsink
Endurance: 2400 TBW
Interface: PCIe 4.0 x4
Store/EAN: 619659231996
Store/UPC: 619659231996
Store/NAND: Sandisk TLC 3D NAND, Sandisk 3D NAND
Form Factor: M.2 2280 D5-M
Store/Width: 24 mm
Store/Height: 10.31 mm
Store/Length: 80 mm
Store/Weight: 30.4 gms
Store/Protocol: NVMe
Store/Security: SED
4KB Random Read: 1200000 IOPS
Store/Connector: M.2
Store/Interface: PCIe 4.0 x4
4KB Random Write: 1100000 IOPS
Store/DRAM Cache: Yes
Store/In The Box: SANDISK Optimus GX PRO 850X NVMe™ SSD
Store/Form Factor: M.2 2280 D5-M
Store/Random Read: 1.2 M IOPS
Store/Model Number: SDSP81400TAH-000E0
Store/Random Write: 1.1 M IOPS
Max Sequential Read: 7,300 MB/s
Store/compatibility: <ul> <li>Windows® 10+</li> <li>PCIe 4.0 x4 Interface</li> <li>M.2 2280 Port</li> </ul>
Max Sequential Write: 6,600MB/s
Store/Endurance (TBW): 2400
Store/Operating Temperature: 0, 85 °C
Store/Non-Operating Temperature: -40, 85 °C
Store/Sequential Read Performance: 7,300 MB/s
Store/Sequential Write Performance: 6,600MB/s