Crucial Ballistix Sport 4GB DDR3-1600 desktop memory module, part number BLS4G3D1609DS1S00.16FMR. Tested and working.

This is a single 4GB stick rated for DDR3-1600 (PC3-12800) at CL9 timings and a standard 1.5V, with a low-profile Ballistix Sport heat spreader. It's a 240-pin non-ECC unbuffered desktop DIMM. It's a good fit for adding memory to an older DDR3 build, filling an empty slot, or replacing a failed stick in a matching Ballistix set.

What's included: 1x Crucial Ballistix Sport 4GB DDR3-1600 module.

Condition: Please review the photos, which show the actual stick you'll receive.

Compatibility note: This is DDR3 desktop memory. It will not fit or work in DDR2, DDR4, or DDR5 motherboards, or in laptops. It is standard 1.5V DDR3, not low-voltage DDR3L.