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SanDisk · PCIe 4.0 · 500 GB

SanDisk Optimus GX 7100 500GB

M.2 2280 · TLC NAND · Host-Memory-Buffer (HMB)

Performance
69
Perf / price
91
Capacity value
45
Amazon
$114
SanDisk Optimus GX 7100 500GB
View SanDisk Optimus GX 7100 500GB Gallery in high resolution
$114
Not currently available Updated Sep 24, 2026
Performance69.0
Performance / price90.8
Capacity value45.4
$114 on Amazon Add this SSD to a build Compare this SSD SSD table

Written analysis

SanDisk Optimus GX 7100 500GB at a glance

The SanDisk Optimus GX 7100 500GB is a 500 GB M.2 2280 SSD using PCIe 4.0 x4, NVMe 2.0. The controller is SanDisk Polaris 3. Flash type is 3D TLC NAND (BiCS8). Cache is listed as Host-Memory-Buffer (HMB).

Rated sequential throughput is 6800 MB/s read and 5800 MB/s write. Random throughput is 760K read IOPS and 1200K write IOPS. The calculated specification score is 69.0.

Best fit: General storage workloads where compatibility and price matter more than peak transfer rates.

Endurance and thermals

Rated endurance is 300 TBW, or approximately 600 TBW per TB of capacity. The listed warranty is 5 years.

Current value

At $114, the drive costs $227.98 per TB. Performance / price is 90.8 and capacity value is 45.4. Compare these values with nearby drives below; interface generation and headline speed alone do not determine value.

Drive data

Full specifications

Interface, flash, controller, cache, throughput, endurance, power, warranty, and value in one technical sheet.

General

Manufacturer
SanDisk
SSD
SanDisk Optimus GX 7100 500GB
Part number
SDSP71500GAN
Model
SDSP71500GAN
Capacity
500 GB
Form factor
M.2 2280
Launch price
—
Amazon price
$114
Amazon availability
Not currently available
Price updated
Sep 24, 2026

Performance

Sequential read
6800 MB/s
Sequential write
5800 MB/s
Random read
760K IOPS
Random write
1200K IOPS

Value

Amazon price
$114
Price / TB
$227.98
Performance / price
90.8
Capacity value
45.4

Hardware & cache

Interface
PCIe 4.0 x4, NVMe 2.0
Interface generation
PCIe 4.0
Controller
SanDisk Polaris 3
NAND
3D TLC NAND (BiCS8)
Process
12
Cache type
Host-Memory-Buffer (HMB)
DRAM
Host-Memory-Buffer (HMB)
DRAM capacity
64 MB
DRAM speed
2000 MT/s
SLC cache
Dynamic

Durability & power

Endurance
300 TBW
Endurance / TB
600 TBW
Warranty
5 years
Idle power
—
Active power
—

Additional information

Color
Black

Amazon

Price history

Nearby performance

Similar SSDs

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Discussion

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

AN SSD THAT DOESN’T BACK DOWN. Experience PCIe Gen 4.0 Sequential Read/Write speeds up to 7,250/6,900 MB/s (2) (1TB (1) and 2TB (1) models). Reduce load times for applications and immersive games, including those supported by Microsoft DirectStorage.

MOVING ON TO THE NEXT LEVEL. Improve system responsiveness with Random Read/Write speeds up to 1M/1.4M IOPS (2) (1TB (1) and 2TB (1) models) and integrated Sandisk nCache Technology.

EXPAND YOUR GAME LIBRARY WITHOUT WORRY. Available in capacities up to 4TB (1) on M.2 2280, so you have ample storage for the latest games. Powered by our 8th generation Sandisk BiCS TLC 3D CBA NAND.

CLEAR THAT CHECKPOINT. With a power‑efficient architecture, you can clear that checkpoint or wrap that project before your battery taps out.

INCLUDED SANDISK SOFTWARE. Keep your drive updated and enable Game Mode with Sandisk Dashboard (Windows only) (4). Migrate to your new drive with Acronis True Image for Sandisk software (5).

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