# Acer Predator GM9 2TB — DRAM-less PCIe 5.0 NVMe SSD (2026)

The Acer Predator GM9 2TB is a DRAM-less PCIe 5.0 NVMe SSD that reaches 14,500 MB/s reads using the Maxio MAP1806A controller, making it one of the most affordable routes into Gen5 storage.

Quick answer: The Acer Predator GM9 2TB is a smart buy if you want PCIe 5.0 sequential bandwidth without paying a premium for DRAM. Its 14,500 MB/s reads match much more expensive drives in sequential throughput, and the copper-graphene thermal pad keeps it cool in tight spaces.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 2 TB |
| Interface | M.2 5.0 |
| Controller | Maxio MAP1806A-F2C 8 Channel |
| Memory type | 3D TLC |
| DRAM cache | No (HMB) |
| Sequential read | 14500 MB/s |
| Sequential write | 10000 MB/s |
| Random read IOPS | 2000000 |
| Random write IOPS | 1400000 |
| Endurance | 1200 TBW |
| MTBF | 1500000 |
| Warranty | 5 years |

## Performance

The Predator GM9 2TB is rated for sequential reads up to 14,500 MB/s and writes up to 10000 MB/s over PCIe 5.0 x4. Random 4K performance reaches 2,000K read IOPS and 1,400K write IOPS. In practice, CrystalDiskMark benchmarks reviewed by independent testers show sequential reads averaging 14,741 MB/s and writes around 10,177 MB/s on the 2 TB model — slightly exceeding its rated specifications.

The drive uses a pSLC write cache that absorbs incoming data at full speed. On the 2 TB model, the SLC pool measures approximately 325 GB. After the cache fills, write speeds settle to the native TLC pace, which remains competent thanks to the Micron 232-layer NAND's density. For typical desktop workloads — OS booting, application loading, game level transitions — the SLC cache rarely exhausts, so users experience peak write performance virtually all the time.

4K random read performance at low queue depths (QD1-QD4) is where DRAM-less designs typically trail DRAM-equipped drives. The MAP1806A controller's HMB implementation narrows this gap significantly, but buyers who prioritize random IOPS — database servers, VMs, heavy multitasking — should consider the DRAM-equipped Predator GM9000 instead.

## Endurance, TBW & Warranty

Acer backs the Predator GM9 with a 5-year limited warranty and an endurance rating of 1200 TBW for the 2TB model. At a typical consumer workload of 20 GB of writes per day, this works out to over 160 years before hitting the TBW ceiling, making endurance a non-issue for most buyers. The MTBF is rated at 1.5 million hours. Warranty claims are handled through Acer's authorized service network. The TBW limit scales with capacity across the 1 TB, 2 TB, and 4 TB variants.

## Pros and Cons

**Pros:**

- 14,500 MB/s sequential reads
- Copper-graphene thermal pad included
- Single-sided M.2 2280 fits laptops and PS5
- Competitive pricing for PCIe 5.0
- 5-year warranty
**Cons:**

- DRAM-less HMB limits random IO performance
- Write speeds trail DRAM-equipped Gen5 rivals
- No bundled software or cloning utility
- 2-year warranty listed incorrectly in some retailers


## Verdict

The Acer Predator GM9 2TB is a smart buy if you want PCIe 5.0 sequential bandwidth without paying a premium for DRAM. Its 14,500 MB/s reads match much more expensive drives in sequential throughput, and the copper-graphene thermal pad keeps it cool in tight spaces.

Skip it if your workload is heavy on 4K random writes — database servers, VM hosts, or sustained large-file transfers — where a DRAM-equipped drive like the Predator GM9000 or Crucial T705 will hold up better.

The Sabrent Rocket 5 or Samsung 9100 Pro are the alternatives to consider if your budget stretches further and you need guaranteed sustained write performance. For general use and gaming, the GM9 delivers flagship Gen5 speeds at a mid-range price.

## Frequently Asked Questions

### Is the Acer Predator GM9 2TB good for gaming?

Yes. The GM9 2TB delivers excellent game loading performance thanks to its 14,500 MB/s sequential reads. Games that take advantage of Microsoft DirectStorage will benefit from the PCIe 5.0 bandwidth, though today's titles show minimal difference between fast PCIe 4.0 and PCIe 5.0 drives in load times. The large SLC cache ensures consistent performance during game installations and updates.

### Does the Predator GM9 have a DRAM cache?

No. The Predator GM9 uses a DRAM-less design that relies on Host Memory Buffer (HMB) technology, which borrows a small portion of your system's RAM for address mapping. This reduces cost and power consumption compared to DRAM-equipped Gen5 SSDs like the Predator GM9000 or Sabrent Rocket 5. For most gaming and general use scenarios, the performance difference is negligible, but workloads heavy on 4K random I/O will benefit from a DRAM-equipped drive.

### What is the TBW endurance of the 2TB Predator GM9?

The Acer Predator GM9 2TB is rated at 1200 TBW (Terabytes Written). At a typical usage of 20 GB of daily writes, this translates to over 160 years of continuous use before reaching the rated limit. The endurance scales with capacity: 600 TBW for 1 TB, 1200 for 2TB. The warranty is 5 years or until the TBW limit is reached, whichever comes first.

### Does the Predator GM9 need a heatsink?

The Predator GM9 ships with a copper-graphene composite thermal pad that provides adequate cooling for most use cases. Unlike some PCIe 5.0 SSDs that require bulky heatsinks or active cooling, the GM9's power-efficient Maxio MAP1806A controller generates less heat. For desktop use with good case airflow, the included thermal pad is sufficient. In laptops or constrained environments, the motherboard's built-in M.2 heatsink can be used instead.

### How does the Predator GM9 compare to the Predator GM9000?

The Predator GM9 and GM9000 are both PCIe 5.0 SSDs from Acer, but they target different price points. The GM9 uses a DRAM-less Maxio MAP1806A controller and reaches 14,500/10,000 MB/s read/write. The GM9000 uses a DRAM-equipped Silicon Motion SM2508 controller with superior sustained write performance and better 4K random IO. The GM9000 costs more but delivers more consistent performance under sustained load. For general gaming and everyday use, the GM9 offers better value.

### Is the 2TB Predator GM9 compatible with the PS5?

Yes, the single-sided M.2 2280 design of the Predator GM9 2TB fits the PS5's expansion slot physically. However, the PS5 operates at PCIe 4.0 speeds, so the drive's maximum read speed will be capped at approximately 6,500 MB/s in the console. This still exceeds Sony's recommended minimum of 5,500 MB/s for PS5 expansion drives. The copper-graphene thermal pad is slim enough to fit within the PS5's clearance limits.

### Is the 4 TB version of the Predator GM9 slower than the 2 TB?

No — in fact, the 4 TB Predator GM9 is faster in sequential writes than the 2 TB model. The 4 TB variant is rated at 11,000 MB/s writes compared to 10,000 MB/s on the 2 TB, thanks to increased NAND parallelism from having more flash dies available per channel. Sequential reads are identical at 14,500 MB/s across both capacities. Random IOPS are also slightly higher on the 4 TB model.

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Last updated: 2026-06-08. Source: https://ssdrive.net/acer-predator-gm9-2-tb