Memory Type DDR2 Size 4096 MBytes Channels # Dual DRAM Frequency 400.0 MHz CAS# Latency (CL) 4 clocks RAS# to CAS# Delay (tRCD) 4 clocks RAS# Precharge (tRP) 4 clocks Cycle Time (tRAS) 12 clocks Bank Cycle Time (tR?) 23 clocks Command Rate (CR) 2T SPD Number Of SPD Modules 2 Slot #1 Type DDR2 Size 2048 MBytes Manufacturer Corsair Max Bandwidth PC2-6400 (400 MHz) Part Number CM2X2048-6400C4DHX Week/year 13 / 08 SPD Ext. EPP EPP #0 Frequency 400.0 MHz CAS# Latency 4.0 RAS# To CAS# 4 RAS# Precharge 4 tRAS 12 tRC 22 Voltage 2.100 V JEDEC #2 Frequency 400.0 MHz CAS# Latency 5.0 RAS# To CAS# 5 RAS# Precharge 5 tRAS 18 tRC 23 Voltage 1.800 V JEDEC #1 Frequency 270.3 MHz CAS# Latency 4.0 RAS# To CAS# 4 RAS# Precharge 4 tRAS 13 tRC 16 Voltage 1.800 V Slot #2 Type DDR2 Size 2048 MBytes Manufacturer Corsair Max Bandwidth PC2-6400 (400 MHz) Part Number CM2X2048-6400C4DHX Week/year 13 / 08 SPD Ext. EPP EPP #0 Frequency 400.0 MHz CAS# Latency 4.0 RAS# To CAS# 4 RAS# Precharge 4 tRAS 12 tRC 22 Voltage 2.100 V JEDEC #2 Frequency 400.0 MHz CAS# Latency 5.0 RAS# To CAS# 5 RAS# Precharge 5 tRAS 18 tRC 23 Voltage 1.800 V JEDEC #1 Frequency 270.3 MHz CAS# Latency 4.0 RAS# To CAS# 4 RAS# Precharge 4 tRAS 13 tRC 16 Voltage 1.800 V