Newegg offers the Adata XPG Z1 16GB PC4-19200 DDR4-2400 288-Pin Desktop Memory Kit with two 8GB DIMMs, model no. AX4U2400W8G16-DRZ, for $79.99. Redeem this $15 mail-in rebate to cut the price to $64.99. With free shipping, that's the lowest total price we could find by $31. It features 16-16-16 timings. Rebate expires January 20.