# OWC Aura Pro IV 1TB -- InnoGrit IG5236 PCIe 4.0 NVMe SSD Review (2026)

The OWC Aura Pro IV 1 TB is a Gen4 flagship SSD built on the InnoGrit IG5236 controller with SK Hynix DRAM, targeting Mac upgraders and PC builders alike.

Quick answer: The 1 TB Aura Pro IV is OWC's strongest Gen4 offering — an IG5236 drive with SK Hynix DRAM at a price that competes with HP and PNY alternatives. The 500 TBW endurance is adequate. For Mac upgraders, OWC's brand compatibility is a significant advantage. For PC builders, compare pricing against the HP FX900 Pro 1 TB and Neo Forza NFP455 1 TB.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 1 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Innogrit Rainier IG5236 |
| Memory type | Micron TLC |
| DRAM cache | SK Hynix DRAM |
| Sequential read | 7400 MB/s |
| Sequential write | 6250 MB/s |
| Random read IOPS | 1400000 |
| Random write IOPS | 900000 |
| Endurance | 500 TBW |
| MTBF | 2000000 |
| Warranty | 5 years |

## Performance

The 1 TB Aura Pro IV delivers 7,400/6,250 MB/s sequential reads and writes with DRAM-equipped random I/O performance. The IG5236 handles SLC cache management efficiently. Gaming load times are competitive with any PCIe 4.0 flagship.

## Endurance, TBW & Warranty

OWC covers the Aura Pro IV 1 TB with a five-year warranty limited by 500 TBW, equivalent to roughly 274 GB/day over five years. The 2 TB model carries 1,000 TBW. OWC is known for responsive customer support.

## Pros and Cons

**Pros:**

- 7,400/6,250 MB/s -- strong Gen4 reads
- InnoGrit IG5236 with SK Hynix DRAM
- 5-year warranty with OWC support
- Mac-compatible upgrade path
**Cons:**

- 500 TBW endurance -- lower than some competing 1TB drives
- Premium pricing over lesser-known brands
- No factory heatsink option


## Verdict

The 1 TB Aura Pro IV is OWC's strongest Gen4 offering — an IG5236 drive with SK Hynix DRAM at a price that competes with HP and PNY alternatives. The 500 TBW endurance is adequate. For Mac upgraders, OWC's brand compatibility is a significant advantage. For PC builders, compare pricing against the HP FX900 Pro 1 TB and Neo Forza NFP455 1 TB.

## Frequently Asked Questions

### Is the Aura Pro IV 1TB good for Mac upgrades?

Yes — OWC is known for Mac-compatible storage. Verify your Mac model supports NVMe M.2 2280 drives before purchasing.

### What controller does it use?

The InnoGrit IG5236 — the same 8-channel Gen4 controller used in the HP FX900 Pro and PNY CS3140.

### What is the TBW of the 1TB Aura Pro IV?

Rated for 500 TBW over five years. The 2 TB carries 1,000 TBW.

### Does it have DRAM?

Yes — the 1 TB includes 1 GB of SK Hynix DDR4 DRAM cache.

### How does it compare to the HP FX900 Pro 1TB?

Both use the IG5236. The FX900 Pro rates at 7,400/6,400 MB/s with 600 TBW. The Aura Pro IV matches on reads. At similar pricing, compare warranty support preferences.

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Last updated: 2026-05-23. Source: https://ssdrive.net/owc-aura-pro-iv-1-tb