# Biostar M700 512GB — Entry-Level PCIe 3.0 NVMe SSD (2026)

The Biostar M700 512GB is a no-frills PCIe 3.0 NVMe SSD that offers double the capacity of the 256GB model at a budget-friendly price point.

Quick answer: The Biostar M700 512GB is a budget PCIe 3.0 NVMe SSD for buyers who need more capacity than 256GB without spending on mid-range alternatives. The DRAM-less design, unremarkable speeds, and 3-year warranty place it below drives like the Kingston A2000 and WD Blue SN550. It's a functional boot drive with enough space for games and applications, but if you can find similarly priced alternatives, they'll likely deliver better performance and longer warranty coverage.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 512 GB |
| Interface | M.2 3.0 x 4 |
| Controller | Silicon Motion SM2263XT |
| Memory type | Intel 3D TLC |
| DRAM cache | 32MB - 64MB Host Memory Buffer |
| Sequential read | 2000 MB/s |
| Sequential write | 1600 MB/s |
| Random read IOPS | 240000 |
| Random write IOPS | 260000 |
| Endurance | 300 TBW |
| MTBF | 1500000 |
| Warranty | 3 years |

## Performance

The Biostar M700 512GB is rated at up to 2,000 MB/s sequential reads and 1,600 MB/s sequential writes. These are entry-tier numbers for PCIe 3.0 — the interface can handle roughly 3,500 MB/s, so the M700 uses about 57 percent of the available bandwidth. That's fine for a budget drive, but it means you're leaving performance on the table compared to mid-range PCIe 3.0 options like the Kingston A2000, which pushes past 2,000 MB/s reads and 1,600 MB/s writes even on its lower capacities.

Random read and write IOPS are not officially published for this drive, which is typical for budget models that don't prioritize stochastic performance. The DRAM-less HMB design is the main limiting factor — without a dedicated memory buffer for the flash translation layer, the M700 will show noticeable performance degradation during sustained write workloads that exhaust the SLC cache.

For everyday tasks — booting the OS, launching applications, loading games — the drive is serviceable. The 1,600 MB/s write speed on the 512GB model is a meaningful improvement over the 256GB's 950 MB/s, making this capacity more usable for occasional large file transfers. But anyone running sustained write workloads should expect speeds to drop well below the advertised burst figures once the SLC cache fills. Independent reviews of this specific model are scarce.

## Endurance, TBW & Warranty

The Biostar M700 carries a 3-year warranty, which is standard for budget-tier SSDs but shorter than the 5-year coverage offered by mainstream competitors like the Kingston A2000 and WD Blue SN550. The endurance rating (TBW) for the 512GB variant has not been published by Biostar, which is unusual — even most budget drives disclose TBW figures. For context, comparable 512GB TLC drives typically carry 250-300 TBW. Without an official number, buyers should treat this as a light-to-moderate use drive rather than a heavy-write workstation disk. At typical consumer write loads of 20-30 GB per day, a 512GB TLC drive of this class would reasonably last several years, but that's an estimate.

## Pros and Cons

**Pros:**

- Standard M.2 2280 form factor fits most motherboards
- AES-256 encryption support
- Slim 3.5 mm profile suits compact builds
- 512GB capacity practical for OS plus games
- Intel 3D TLC NAND (not QLC)
- Faster writes than 256GB variant (1,600 vs 950 MB/s)
**Cons:**

- DRAM-less HMB design limits sustained performance
- No published TBW endurance rating
- 3-year warranty shorter than competitors' 5 years
- Limited independent reviews available
- Slower than similarly priced Kingston A2000 and WD Blue SN550


## Verdict

The Biostar M700 512GB is a budget PCIe 3.0 NVMe SSD for buyers who need more capacity than 256GB without spending on mid-range alternatives. The DRAM-less design, unremarkable speeds, and 3-year warranty place it below drives like the Kingston A2000 and WD Blue SN550. It's a functional boot drive with enough space for games and applications, but if you can find similarly priced alternatives, they'll likely deliver better performance and longer warranty coverage.

## Frequently Asked Questions

### Is the Biostar M700 512GB good for gaming?

The Biostar M700 512GB works as a budget gaming drive with enough capacity for the OS and several modern games. Its 2,000 MB/s reads are faster than SATA SSDs, so game load times will be respectable. However, the DRAM-less design means load times won't match faster PCIe 3.0 or PCIe 4.0 alternatives. The 512GB capacity fills up quickly with modern games that can exceed 100 GB each, so you'll need to manage your library. For a similar price, the Kingston A2000 offers better sustained performance.

### Does the Biostar M700 512GB have a DRAM cache?

No, the Biostar M700 512GB is a DRAM-less drive. It uses HMB (Host Memory Buffer), which borrows a small amount of your system's RAM — typically 10-50 MB — to store the flash translation layer mapping table. This keeps the drive's cost down but means random read and write performance is lower than on drives with dedicated DRAM chips. For everyday use the difference is minor, but sustained workloads will show the impact more noticeably on this 512GB model than on DRAM-equipped alternatives.

### What controller does the Biostar M700 use?

The Biostar M700 uses the Silicon Motion SM2263XT controller. This is a DRAM-less NVMe controller designed for budget PCIe 3.0 x4 SSDs. The SM2263XT supports HMB, 3D TLC and QLC NAND, and NVMe 1.3 protocol. It's a well-known entry-level controller that also appears in other budget drives, though specific performance depends heavily on the NAND and firmware implementation. The controller is paired with Intel 3D TLC NAND in this drive.

### What is the TBW endurance of the Biostar M700 512GB?

Biostar has not published an official TBW (terabytes written) endurance rating for the M700 512GB. This is unusual — even most budget SSDs carry a TBW figure. For context, comparable 512GB TLC drives typically carry around 250-300 TBW. Without an official number, it's impossible to guarantee endurance, though the Intel 3D TLC NAND should provide reasonable longevity for light-to-moderate consumer use. At 20-30 GB of writes per day, you could reasonably expect several years of service.

### Does the Biostar M700 need a heatsink?

The Biostar M700 does not ship with a heatsink and doesn't strictly require one. As a PCIe 3.0 entry-level drive with modest speeds, it doesn't generate the heat levels that high-end PCIe 4.0 drives do. At 3.5 mm thickness, it fits under most motherboard M.2 heatsinks if your board has one. For typical consumer use, passive airflow from your case is sufficient. If you plan sustained write workloads, a heatsink would help maintain more consistent performance.

### Is the Biostar M700 512GB compatible with PS5?

No, the Biostar M700 512GB is not suitable for the PS5. Sony requires a PCIe 4.0 NVMe SSD with sequential read speeds of at least 5,500 MB/s for PS5 storage expansion. The M700 is a PCIe 3.0 drive rated at 2,000 MB/s reads, far below Sony's threshold. For PS5 upgrades, look at PCIe 4.0 drives like the WD Black SN850X, Samsung 980 PRO, or Seagate FireCuda 530, which all meet or exceed the 5,500 MB/s requirement.

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Last updated: 2026-05-23. Source: https://ssdrive.net/biostar-m700-512-gb