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SANDISK 2TB Optimus™ GX PRO 850X PCIe® 4.0 x4 M.2 2280 NVMe™ SSD - SDSP81200TAN-000E0
- CHAMPION YOUR GAME SESSION AND CREATIVE WORKFLOW. Boasting PCIe® Gen 4.0 Sequential Read/Write speeds up to 7,300/6,600MB/s (2TB and 4TB models), your SSD enhances your game sessions and your creative workflow.
- STAY IN THE GAME. Experience seamless game sessions and smooth multitasking with Random Read/Write speeds up to 1.2M/1.2M IOPS (8TB model) and integrated SANDISK® nCache™ 4.0 technology. Supports Microsoft® DirectStorage games.
- NO NEED TO DELETE. Stop deleting to make room for more games or applications. With capacities up to 8TB and trusted SANDISK® BiCS TLC 3D NAND, you’ll have room for more.
- DESIGNED WITH THE CREATOR IN MIND. With up to 4,800 TBW (8TB model) endurance rating, your drive stays by your side. Help protect your digital assets with TCG Opal v2.01 data-at-rest encryption.
- YOU CAN DO MORE WITH SANDISK® SOFTWARE. Download the SANDISK® Dashboard application (Windows® only) to help keep your drive in peak shape. Or turn on Game Mode to transform your gaming experience.
- REST EASY. Your hard work is covered with Sandisk’s 5-year limited warranty for peace of mind
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Overview
Specs
Reviews
Overview
The SANDISK Optimus™ GX PRO 850X is a 2TB internal NVMe™ SSD for gaming PCs, creator PCs, laptops, and compatible PS5 and PS5 Pro consoles. Its PCIe® 4.0 x4 interface, M.2 2280 form factor, and high sequential speeds support gaming, multitasking, and creative workflows.
Key Features
- 2TB capacity with 3D NAND TLC memory components
- PCI-Express 4.0 x4 interface and NVMe 1.4 protocol
- Up to 7,300 MBps sequential read and 6,600 MBps sequential write
- Up to 1,200,000 4KB random read and 1,100,000 4KB random write IOPS
- TCG Opal v2.01 data-at-rest encryption
Performance
Sequential performance reaches up to 7,300 MBps read and 6,600 MBps write. 4KB random performance reaches up to 1,200,000 IOPS read and 1,100,000 IOPS write for responsive multitasking, gaming, and creative workloads.
Design
The M.2 2280-S3-M SSD measures 80mm deep, 22mm wide, and 2.38mm high, with a weight of 7.5g. The supplied specifications identify this variant as without a heatsink.
Connectivity & Compatibility
The drive uses a PCI-Express 4.0 x4 interface and NVMe 1.4 protocol in an M.2 2280-S3-M form factor. The original listing describes compatibility with gaming PCs, creator PCs, laptops, PS5, and PS5 Pro consoles, as well as support for Microsoft® DirectStorage games.
Reliability & Durability
The drive has a 1,200TB terabytes-written rating and a 1,750,000-hour MTBF. Operating temperature is 0°C to +85°C, while storage temperature is -40°C to +85°C. Maximum shock resistance is 1,500G at 0.5 ms half-sine. TCG Opal v2.01 data-at-rest encryption helps protect digital assets.
Software & Tools
The SANDISK Dashboard application for Windows helps monitor drive health, keep the drive up to date, and enable Game Mode. Acronis True Image for SANDISK software helps migrate to the new drive.
Specifications
- Brand: SanDisk
- Series: Optimus GX PRO 850X
- Model: SDSP81200TAN-000E0
- Device Type: Internal Solid State Drive (SSD)
- Capacity: 2TB
- Memory Components: 3D NAND TLC
- Interface: PCI-Express 4.0 x4
- Protocol: NVMe 1.4
- Max Sequential Read: Up to 7300 MBps
- Max Sequential Write: Up to 6600 MBps
- 4KB Random Read: Up to 1,200,000 IOPS
- 4KB Random Write: Up to 1,100,000 IOPS
- Terabytes Written: 1200TB
- MTBF: 1,750,000 hours
- HeatSink: without HeatSink
- Dimensions: 80mm depth x 22mm width x 2.38mm height
- Weight: 7.5g
Warranty & Returns
Warranty, Returns, And Additional Information
Return Policies*
- Return for refund within: 30 days
- Returns are subject to restocking fees and return shipping fees. Please click here to learn more about restocking fees and return shipping fees.
- This item is covered by Newegg.com's International Order Return Policy.
- Read full return policy for details.
- *Subject to applicable law
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-866-726-3475
- Support Website
- View other products from SanDisk
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The SanDisk Optimus GX PRO 850X is a 2TB PCIe 4.0 NVMe M.2 2280 SSD with sequential read speeds up to 7,300 MB/s and write speeds up to 6,600 MB/s, suited to gamers and creators who want fast storage for games, apps, and large creative projects.
Recommended For
- PC gamers with a PCIe 4.0 M.2 slot who want a fast 2TB drive for an active game library, quick level loads, and games that support DirectStorage.
- Video editors and creators who regularly move or open large project files and want a high-speed internal drive for editing workflows and digital assets.
- PC builders upgrading a gaming or creator system who want a 2TB TLC NVMe drive with onboard DRAM and have a compatible M.2 slot and suitable drive cooling.
Real-World Use Scenarios
- When a PC gamer is running short on space for large game installs, use the 2TB drive as a game-library upgrade to keep more titles installed and ready to launch without routinely uninstalling older ones.
- When a video editor is working with large project files on a compatible PC, use the SSD for active footage and project assets; its fast storage is suited to moving and accessing large files, though editing performance also depends on the computer and software.
- When a developer is building software with many small project files, use the drive for source trees and build data; a review of the 2TB model found its performance with random file operations particularly strong in this kind of workload.
- When upgrading a desktop or laptop with a free compatible M.2 2280 slot, use the drive for games, applications, or general file storage; check the system’s PCIe and cooling support before installation, since this version has no heatsink.
- When a gamer wants to try supported DirectStorage titles, use the drive in a compatible Windows PC; it supports DirectStorage, but the feature’s benefits depend on the game and the rest of the system.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Internal storage for gaming, creative work, and general use in compatible desktops or laptops |
| Capacity | 2TB of solid-state storage |
| Interface And Form Factor | M.2 2280 drive using PCIe 4.0 x4 and NVMe 1.4 |
| Read Write Performance | Sequential speeds up to 7,300 MB/s read and 6,600 MB/s write; 4KB random performance up to 1,200,000 IOPS read and 1,100,000 IOPS write |
| NAND | 3D TLC NAND flash memory |
| Endurance And Reliability | Rated for 1,200 TBW and 1,750,000 hours MTBF; operates from 0°C to 85°C and withstands up to 1,500G shock |
| Power Consumption | 5 mW idle; average active power is 7.5W during reads and 7.0W during writes |
| Physical Specifications | 80 × 22 × 2.38 mm; weighs 7.5 g; supplied without a heatsink |
| Model Identifiers | SanDisk Optimus GX PRO 850X; model SDSP81200TAN-000E0 |
Reference Q&A
Q: Is the SanDisk Optimus GX PRO 850X different from the WD_BLACK SN850X?
A: SanDisk identifies the Optimus GX PRO 850X as the replacement for the WD_BLACK SN850X. For a buyer comparing these 2TB models, the listed sequential speeds are the same: up to 7,300 MB/s read and 6,600 MB/s write. Choose based on price, availability, and the warranty for the specific listing; an SN850X owner has no clear reason to upgrade based on these headline specifications alone.
Q: Should I get the Optimus GX PRO 850X or the Samsung 990 PRO 2TB?
A: Both are 2TB PCIe 4.0 M.2 SSDs with a 5-year limited warranty and a 1,200 TBW rating. The 990 PRO has higher stated sequential speeds—up to 7,450/6,900 MB/s read/write versus the 850X’s 7,300/6,600 MB/s—and higher maximum random-write IOPS. Choose the 990 PRO if those rated performance figures matter for your workload; choose the 850X if it is the better-priced option or you prefer SanDisk’s drive-management software. Published specifications alone do not establish a noticeable difference in everyday game loading.
Q: Is the Optimus GX PRO 850X worth choosing over the Optimus GX 7100?
A: At 2TB, the official specifications show different strengths: the GX PRO 850X is rated up to 7,300 MB/s read and 1 million random-read IOPS, while the GX 7100 is rated up to 6,900 MB/s write and 1.4 million random-write IOPS. Choose the 850X if its higher rated sequential-read and random-read figures suit your workload; consider the GX 7100 if its price or stated random-write performance better fits your needs. These figures are manufacturer ratings, not a guarantee of the same difference in real use.
Q: Can I use this no-heatsink 850X in a PS5, or should I buy the heatsink version?
A: For a PS5, choose the Optimus GX PRO 850X version with a heatsink. This Newegg configuration is listed without one, so it would need a compatible heatsink to meet the console’s installation requirements. For a desktop PC, the no-heatsink version can be a practical choice if the motherboard provides an M.2 heatsink or the system has suitable cooling.
Q: Will this SSD work in my PC or laptop?
A: It can work in a system with an available M.2 2280 slot that supports PCIe NVMe SSDs. Check the device manual for slot support and physical clearance before buying; the drive’s M.2 2280 size alone does not guarantee compatibility with every system.
Q: Does it come with a heatsink, or will I need one?
A: This model is listed without a heatsink. Check your system’s installation guide to see whether the M.2 slot has a built-in heatsink or specifies another cooling requirement, especially if you expect sustained heavy workloads.
Q: Will it reach its advertised read and write speeds in my system?
A: The listed maximums are up to 7,300 MB/s read and 6,600 MB/s write. Reaching those speeds requires a compatible PCIe 4.0 x4 NVMe connection; a system with a slower interface may limit performance. Actual speeds also vary by system and workload.
Q: Is this SSD suitable for gaming and creative work?
A: It is designed for gaming and creative workflows that benefit from fast NVMe storage. The 2TB capacity provides room for games and project files, and the product supports Microsoft DirectStorage games. Confirm your system supports M.2 2280 PCIe 4.0 x4 NVMe drives to make use of its capabilities.
Q: Is the 2TB Optimus GX PRO 850X worth choosing over a 1TB Samsung 990?
A: It offers twice the listed capacity and up to 7,300 MB/s read and 6,600 MB/s write speeds. Whether it is the better buy depends on the prices, warranty terms, and exact Samsung 990 model; the Reddit discussion raises those comparisons but does not establish a universal winner.
Q: Is the Optimus GX PRO 850X basically the same as the WD Black SN850X?
A: Reddit discussions describe the Optimus GX PRO 850X as the renamed or rebranded SN850X. Treat that as a family-level comparison, not a guarantee that every capacity, SKU, firmware, or warranty arrangement is identical; check the exact model and seller terms.
Q: Is this a suitable SSD for a gaming PC build?
A: It is a 2TB M.2 2280 NVMe PCIe 4.0 x4 drive, with listed sequential speeds up to 7,300/6,600 MB/s and support for DirectStorage games. Check that the motherboard has a compatible M.2 slot; this version has no included heatsink.
Q: Does the Optimus GX PRO 850X have DRAM, and does that matter?
A: A Reddit discussion identifies the 850X as a DRAM-equipped model, but the product information provided here does not list dedicated DRAM as a specification. If DRAM is a deciding factor, verify it against the exact model’s official datasheet; the listing does specify TLC NAND and nCache 4.0.