SSD for Apple iMac (Late 2009 (21.5-inch))
through 2009
This device does not support user-replaceable storage. You can still check our sister sites below for RAM or battery options where applicable.
SSD Upgrade Guide for the Apple iMac (Late 2009
This device uses a false drive with a 2.5-inch SATA interface. Maximum supported capacity is 1TB.
This device supports SATA SSDs. While slower than NVMe, SATA SSDs are still a major improvement over traditional hard drives.
Always power off your device and disconnect power before replacing storage.
Frequently Asked Questions
What SSD fits the Apple iMac (Late 2009 (21.5-inch))?
We do not yet have matched SSD modules for the Apple iMac (Late 2009 (21.5-inch)). Our records indicate false 2.5-inch SATA. This device supports up to 1TB based on our records. Confirm your exact model and slot type before purchasing any drive.
How do I verify SSD compatibility?
Verify your full model number against the device page, then confirm the physical form factor (false), interface (2.5-inch SATA), and M.2 keying if applicable. Compare against your existing drive or manufacturer specs before purchase.
Can I use NVMe if my device originally had SATA?
The Apple iMac (Late 2009 (21.5-inch)) is recorded with a SATA-class interface (false 2.5-inch SATA). NVMe drives typically require an NVMe-capable M.2 slot and matching keying — do not assume NVMe works if your model only supports SATA. Check your exact model and slot before buying.
Does physical size and keying matter?
Yes. M.2 drives vary by length (e.g. 2280) and keying (B-key, M-key, B+M). 2.5-inch and other form factors must match the bay or adapter your device accepts. The Apple iMac (Late 2009 (21.5-inch)) is documented as false 2.5-inch SATA — a drive with the wrong size or key will not fit or work.
Are these listings live and current?
Listings and prices are pulled from eBay and Amazon and may change at any time. We refresh marketplace data regularly, but always verify the listing title, condition, and seller before purchase.