User manual KINGSTON KHX6400D2LLK24G MEMORY MODULE SPECIFICATIONS

[. . . ] TECHNOLOGY Memory Module Specification KHX6400D2LLK2/4G DESCRIPTION: 4GB (2GB 256M x 64-Bit x 2 pcs. ) PC2-6400 CL4 240-Pin DIMM Kit Kingston's KHX6400D2LLK2/4G is a kit of two low-latency 256M x 64-bit 2GB (2048MB) DDR2800 CL4 SDRAM (Synchronous DRAM) memory modules, based on sixteen 128M x 8-bit DDR2 FBGA components per module. [. . . ] The electrical and mechanical specifications are as follows: FEATURES: Power supply : Vdd: 1. 8V ± 0. 1V, Vddq: 1. 8V ± 0. 1V Double-data-rate architecture; two data transfers per clock cycle Bidirectional data strobe(DQS) Differential clock inputs (CK and CK) DLL aligns DQ and DQS transition with CK transition Programmable Read latency 3, 4, 5 (clock) Burst Length: 4, 8 (Interleave/nibble sequential) Programmable Burst type (sequential & interleave) Timing Reference: 667MHz 5-5-5-15 at +1. 8V / 800MHz 4-4-4-12 at +1. 95V Edge aligned data output, center aligned data input Auto & Self refresh, 7. 8us refresh interval (8K/64ms refresh) Serial presence detect with EEPROM High Performance Heat Spreader PCB : Height 1. 180" (30. 00mm), double sided component PERFORMANCE: Clock Cycle Time (tCK) CL=5 Row Cycle Time (tRC) Refresh to Active/Refresh Command Time (tRFC) Row Active Time (tRAS) Single Power Supply of Power UL Rating Operating Temperature Storage Temperature 3ns (min. ) / 8ns (max. ) 54ns (min. ) 127. 5ns 39ns (min. ) / 70, 000ns (max. ) +1. 8V (+/- . 1V) 2. 592 W (operating per module) 94 V - 0 0o C to 55o C -55o C to +125o C KE YE D Document No. 4804680-001. B00 08/01/07 Page 1 Kingston Technology MODULE DIMENSIONS: Units: millimeters 2. 7 1. 270 ± 0. 10 3. 00 0. 80±0. 05 5. 00 4. 00 4. 00 3. 80 2. 50±0. 20 0. 20 4. 00 2. 50 1. 50±0. 10 1. 00 For more information, go to www. kingston. com All Kingston products are tested to meet our published specifications. Some motherboards or system configurations may not operate at the published HyperX memory speeds and timing settings. Kingston does not recommend that any user attempt to run their computers faster than the published speed. [. . . ] Overclocking or modifying your system timing may result in damage to computer components. Document No. [. . . ]