# Micron 6600 Ion 245TB SSD

6 Hacker News commenters recommended Micron 6600 Ion 245TB SSD and 4 criticized it, November 2025 to November 2026. It was recommended in 1 of 13 months.

**Verdict:** Recommended for its very high capacity in a small footprint, letting one 1U server hold a petabyte in four drives. Critics point to slow write performance.

## Why people recommend it

- High capacity in a small footprint (2 comments): "With this you have 1PB in 4 drives, fitting in a 1u rack, which is just incredible." ([source](https://news.ycombinator.com/item?id=48032803)) "A 245TB SSD completely changes the density math for database nodes." ([source](https://news.ycombinator.com/item?id=48039458))

## What people warn about

- Slow write and IOPS performance (3 comments): "almost meaningless since the drive takes roughly that long to write at full speed" ([source](https://news.ycombinator.com/item?id=48032796)) "This thing has slower IOPS than an old SATA SSD" ([source](https://news.ycombinator.com/item?id=48033489)) "That is pretty awful write performance." ([source](https://news.ycombinator.com/item?id=48033776))

## Alternatives hackers recommend

- [Intel Optane SSD](https://hackerapproved.com/p/intel-optane.md): 54 recommend
- [Samsung SSD](https://hackerapproved.com/p/samsung-ssd.md): 6 recommend

## Where to get it

- [See price on Amazon](https://www.amazon.com/s?k=Micron+6600+ION+245TB+data+center+SSD&tag=hackerapprove-20) (affiliate link)
- [Official site](https://www.micron.com/)

## Cite as

Hacker Approved, "Micron 6600 Ion 245TB SSD", https://hackerapproved.com/p/micron-6600-ion-245tb-ssd/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).