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Black M.2 2280 SSD with angular silver heatsink and XPG branding

XPG

XPG GAMMIX S11 Pro 1TB internal SSD with heatsink

SKU CH-HZ60-KCCP2

A 1 TB internal SSD with a heatsink delivering up to 3500 MB/s read and 3000 MB/s write over PCIe 3.0 x4 NVMe 1.3

  • Total capacity1 TB
  • Sequential read speedUp to 3,500 MB/s
  • Sequential write speedUp to 3,000 MB/s
  • Interface typePCI-Express 3.0 x4, NVMe 1.3
  • Form factorM.2 2280
  • Product typeInternal Solid State Drive (SSD)

Model 1TB S11 Pro

  • Delivers sequential read speeds up to 3500 MB/s via PCIe 3.0 x4 NVMe 1.3 interface
  • Sustains sequential write speeds up to 3000 MB/s for fast game installs and large file transfers
  • Achieves 4KB random read up to 390000 IOPS and random write up to 380000 IOPS for responsive multitasking
  • Rated 640 TBW with 2000000 hours MTBF using 3D NAND for long-term endurance
  • Integrated heatsink lowers drive temperature by up to 10°C for stable performance under load

GAMMIX S11 Pro 1TB NVMe SSD with heatsink

This internal solid-state drive uses a PCIe 3.0 x4 interface and NVMe 1.3 to reach sequential reads of 3500 MB/s and writes of 3000 MB/s. It is built for gamers, overclockers and rendering professionals who need sustained speed. The integrated heatsink lowers drive temperature by up to 10 °C.

PCIe 3.0 x4 interface limits real-world throughput

The bus caps sequential bandwidth near 3500 MB/s read and 3000 MB/s write, so heavier workloads cannot exceed that ceiling. Random performance tops out at 390000 IOPS read and 380000 IOPS write. Endurance is rated at 640 TBW with a 2000000-hour MTBF.

Check M.2 2280 slot and heatsink clearance

Verify the motherboard has an M.2 2280 key-M slot wired for PCIe 3.0 x4 and NVMe 1.3. Ensure the heatsink fits under any motherboard shield or graphics card backplate. Confirm the BIOS can boot from an NVMe drive before installing.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $239.99
Pricier than about 61% of the 1,994 comparable items (median $180.49).
Total capacity 1 TB
Typical for this category: the median of 1,368 items is 1 TB.
Sequential read speed Up to 3,500 MB/s
Higher than about 60% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $239.99 per TB
Pricier than about 68% of the 1,362 comparable items (median $165.50 per TB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameXPG
Product lineGAMMIX S11 Pro
Model nameAGAMMIXS11P-1TT-C
Part numberAGAMMIXS11P-1TT-C
Total capacity1 TB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 3,500 MB/s
Sequential write speedUp to 3,000 MB/s
Random read (4K)Up to 390,000 IOPS
Random write (4K)Up to 380,000 IOPS
Storage
NAND flash type3D NAND
Controller chipSMI SM2262EN
Write endurance640 TB
Ports & slots
Interface typePCI-Express 3.0 x4, NVMe 1.3
Power
Idle power draw0.14 W
Active power draw0.33 W
Size & build
Form factorM.2 2280
Heat sinkWith HeatSink
Overall height6.1 mm
Overall width22 mm
Product depth80 mm
Product weight11g
Environment & compliance
Operating temperature range0 °C to 70 °C
Storage temperature range-40 °C to 85 °C
Max shock tolerance1500G
More details
Mean time between failures2,000,000 h

Other versions of this model

1 more in the same range

Questions about this item

Should I pick the 1TB GAMMIX S11 Pro or a smaller capacity?

The 1TB model delivers up to 3500 MB/s sequential read and 3000 MB/s write with 640 TBW endurance, so it suits heavy gaming and rendering workloads better than lower-capacity variants.

What do the 3500/3000 MB/s figures mean once the drive is installed in my PC?

Those are peak sequential speeds over the PCIe 3.0 x4 link; real-world throughput depends on your motherboard's M.2 slot wiring, thermal headroom and the workload mix you run.

Does the PCIe 3.0 x4 NVMe 1.3 interface cap performance in practice?

The four-lane Gen 3 ceiling sits near 3500 MB/s read, so this drive already saturates the bus; a PCIe 4.0 platform would not raise its sequential numbers further.

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