# MyDigitalSSD SBXe 960GB SSD — In-Depth Review & Specs (2026)

The MyDigitalSSD SBXe 960GB sits at the top of the SBXe capacity stack, pairing the DRAM-less Phison PS5013-E13T controller with Toshiba BiCS3 64-layer 3D TLC NAND across all four channels at full parallelism. At nearly a full terabyte, it delivers the highest sequential and random performance the E13T platform can offer — 2,500/2,100 MB/s sequential and up to 430,000 random write IOPS — along with a 720 TBW endurance rating that outclasses many budget competitors. This review covers what the 960GB flagship brings to the table and where the DRAM-less architecture still leaves performance on the table.

Quick answer: The MyDigitalSSD SBXe 960GB is a straightforward value proposition: it takes the DRAM-less Phison E13T platform to its maximum capacity and extracts every bit of throughput the four-channel design can provide. The 2,500/2,100 MB/s sequential speeds and 720 TBW endurance rating make it a legitimate option for a budget high-capacity NVMe drive, and the single-sided form factor guarantees compatibility with any M.2 2280 slot. The lack of dedicated DRAM is the only real asterisk, and for the target audience — users upgrading from SATA or hard drives, building budget gaming rigs, or populating secondary M.2 slots — the HMB-based design delivers 95% of the NVMe experience at a meaningful discount. If your workload is typical consumer mixed-use and you want a near-terabyte of NVMe storage without paying for a DRAM-equipped flagship, the SBXe 960GB earns its place on the shortlist.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 960 GB |
| Interface | M.2 3.0 x 4 |
| Controller | Phison PS5013-E13T |
| Memory type | Toshiba TLC |
| DRAM cache | HMB |
| Sequential read | 2500 MB/s |
| Sequential write | 2100 MB/s |
| Random read IOPS | 295000 |
| Random write IOPS | 430000 |
| Endurance | 720 TBW |
| MTBF | 2000000 |
| Warranty | 5 years |

## Performance

At 2,500/2,100 MB/s sequential and 295K/430K random IOPS, the SBXe 960GB delivers the ceiling of what the E13T platform can achieve. Sequential reads saturate the four NAND channels and push close to the PCIe 3.0 x4 practical throughput limit for a 4-channel design. Independent testing by Legit Reviews confirmed that the drive hits its rated numbers in sequential benchmarks, with CrystalDiskMark sequential results matching the 2,500/2,100 MB/s specification.

The HMB design shows its character in random I/O. Lightly-threaded random reads and writes — the pattern that dominates desktop and gaming workloads — feel crisp and responsive because the HMB-sourced mapping table is cached in fast system DRAM. Application launches, Windows boots, and game level loads complete in times that are effectively identical to DRAM-equipped NVMe drives at similar throughput tiers. Where the E13T falls behind is under sustained high-queue-depth mixed workloads: a DRAM-equipped 8-channel controller like the SM2262EN or Phison E12 will pull ahead when multiple VMs, database writes, or heavy content-creation scratch I/O hit the drive simultaneously. For the home/office PC, student laptop, or gaming rig that the SBXe targets, this distinction is irrelevant — the drive never sees those workload patterns.

Thermally the 960GB SBXe is well-behaved. The E13T's modest power envelope means even sustained sequential writes won't push the controller past 70-75C in a case with any airflow at all. Laptop users in particular benefit from the single-sided layout and low thermal output.

## Endurance, TBW & Warranty

MyDigitalSSD backs the SBXe 960GB with a 5-year limited warranty and a 720 TBW endurance rating — roughly 0.41 drive-writes-per-day over the warranty period. This is competitive with and often exceeds the endurance ratings of better-known brands in the budget NVMe segment. The warranty is tied to the original purchaser and does not cover data recovery services.

## Pros and Cons

**Pros:**

- 2,500/2,100 MB/s — ceiling performance for the 4-channel E13T platform
- 720 TBW endurance — higher than many budget competitors at similar capacity
- 430,000 random write IOPS — benefits from full 4-channel NAND interleave at 960GB
- Single-sided M.2 2280 — universal fit including Ultrabooks
- 5-year warranty — longer coverage than typical budget-drive terms
- Cool and efficient — low power draw, no heatsink required
**Cons:**

- DRAM-less HMB design — latency penalty under heavy mixed workloads
- Post-cache TLC write speed drops to ~500 MB/s
- Phison E13T is 4-channel — cannot match 8-channel Gen3 drives at high queue depth
- Limited brand recognition and retail availability vs. major OEMs
- No hardware encryption (TCG Opal / Pyrite)
- ~$0.09/GB at launch was competitive but not class-leading for DRAM-less


## Verdict

The MyDigitalSSD SBXe 960GB is a straightforward value proposition: it takes the DRAM-less Phison E13T platform to its maximum capacity and extracts every bit of throughput the four-channel design can provide. The 2,500/2,100 MB/s sequential speeds and 720 TBW endurance rating make it a legitimate option for a budget high-capacity NVMe drive, and the single-sided form factor guarantees compatibility with any M.2 2280 slot. The lack of dedicated DRAM is the only real asterisk, and for the target audience — users upgrading from SATA or hard drives, building budget gaming rigs, or populating secondary M.2 slots — the HMB-based design delivers 95% of the NVMe experience at a meaningful discount. If your workload is typical consumer mixed-use and you want a near-terabyte of NVMe storage without paying for a DRAM-equipped flagship, the SBXe 960GB earns its place on the shortlist.

## Frequently Asked Questions

### Does the MyDigitalSSD SBXe 960GB have DRAM cache?

No. The SBXe uses the Phison PS5013-E13T controller, which is a DRAM-less design that relies on NVMe Host Memory Buffer (HMB) to borrow a small portion of system RAM for the flash translation layer. This eliminates the cost of a dedicated DRAM chip while preserving good random I/O responsiveness for typical consumer workloads.

### What are the sequential read and write speeds of the SBXe 960GB?

Rated sequential speeds are up to 2,500 MB/s read and 2,100 MB/s write. These are the manufacturer's official specifications for the 960GB capacity — the fastest in the SBXe line. Random performance reaches up to 295,000 IOPS read and 430,000 IOPS write.

### What is the endurance (TBW) of the SBXe 960GB?

The SBXe 960GB is rated for 720 TBW (terabytes written) over its 5-year warranty period. This is roughly 0.41 drive-writes-per-day and is higher than many competing budget NVMe drives at similar capacities.

### Is the SBXe 960GB good for gaming?

Yes. The 960GB capacity holds a large game library plus an OS with room to spare, and NVMe speeds ensure fast level loads and texture streaming. In gaming workloads, which are dominated by sequential reads and lightly-threaded random reads, the DRAM-less HMB design performs essentially identically to a DRAM-equipped NVMe drive.

### How does HMB affect real-world performance versus a DRAM-equipped NVMe?

For typical consumer workloads — OS boots, application launches, game loads, web browsing, and office productivity — the difference is negligible. The HMB-sourced mapping table lives in fast system DRAM and adds only a few microseconds of access latency. Performance divergence occurs under sustained high-queue-depth mixed read/write workloads (virtualization, heavy database use, 4K video editing scratch), where a dedicated-DRAM controller maintains lower and more consistent latency.

### What NAND flash does the SBXe use?

The SBXe uses Toshiba BiCS3 64-layer 3D TLC NAND flash, a mature and widely-deployed NAND generation. Paired with the Phison E13T controller's LDPC error correction, it delivers reliable endurance and consistent performance across the drive's lifespan.

---

Last updated: 2026-05-23. Source: https://ssdrive.net/mydigitalssd-sbxe-960-gb