This product is either discontinued or we cannot get that from suppliers.
Lenovo Desktop 4X70M60571, 1.20 V, DDR4-2400/PC4-19200, 4 GB, FF DIMM, Speed 2400 MHz, Non-ECC, 288-pin, Unbuffered.
DDR4 Modules use the latest evolutionary DRAM design, provides improved speed, power management and reliability. The release of DDR4 delivers an overall performance improvement of up to 30% for single DIMM configurations.