
I'm not currently using the hard drive connector. I honestly bought it just to plug the hole left by the second graphics card. My graphics card burned out while watching a YouTube video. Anyway, it seems to fit my y510p, although fitting it into the laptop itself was a little tricky.

4 TB External HDD Seagate One Touch, USB 3.2 Gen 1, black
28 Review

Hard Shell Case with 5 Attachment Slots for Hyperice Hypervolt Bluetooth, Portable Storage Box for Hypervolt Portable Massage Gun - Case Only
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π¦ FIDECO 3.5/2.5-Inch Hard Drive Enclosure Case with Fan, USB 3.0 to SATA Adapter for HDD & SSD External Hard Drive - Supports 16TB with UASP
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Game console Sony PlayStation 4 Slim 1000 GB HDD, black
180 Review