This price is the whole lot..

16GB (8GBx2) DDR5 Micron 1RX16 PC5-5600B-SC0-1110-XT RAM

64GB IBM DDR3 ECC Registered Server Memory Kit (4x16GB)

Up for sale is a matched set of 4 × 16GB DDR3 ECC Registered (RDIMM) modules, for a total of 64GB of server memory.

Specifications

Brand: IBM

Chip Manufacturer: Samsung

IBM Part Number: 78P4491

Capacity: 16GB per module (64GB total)

Type: DDR3 ECC Registered (RDIMM)

Speed: PC3-12800 (DDR3-1600)

Rank: 2Rx4 / 4Rx4 (server-grade high-density modules)

Form Factor: 240-pin DIMM

You will also receive 

Mixed DDR Desktop RAM Lot – Tested Working (256MB, 512Mb & 1GB Modules)

Included Modules

PNY – 4 × 1GB DDR DIMM

Corsair ValueSelect – 2 × 512MB DDR400 (PC3200)

Hynix – 2 × 512MB DDR400 (PC3200)

Hynix – 1 × 256MB DDR PC266

Elpida –1 × 256MB DDR PC266

Avant – 1 × 256MB DDR PC266