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2. DDR4 SDRAM - Wikipedia

   en.wikipedia.org/wiki/DDR4_SDRAM

   DDR4 speeds are advertised as double the base clock rate due to its Double Data Rate (DDR) nature, with common speeds including DDR4-2400 and DDR4-3200, and higher speeds like DDR4-4266 and DDR4-5000 available at a premium. Unlike DDR3, DDR4 does not have a low voltage variant; it consistently operates at 1.2 V. Additionally, DDR4 improves on ...

3. Comparison of memory cards - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_memory_cards

   64 GB Subcompact (15 mm × 12.5 mm × 1.6 mm [7]), compulsory DRM, up to 64 GB, proprietary (can be used on PS Vita only) P2 (storage media) Panasonic MicroP2: 2012 64 GB MicroP2 is a SDXC/SDHC card conforming to UHS-II (Ultra High Speed bus), and can be read by common SDHC/SDXC card readers. xD: Olympus, Fujifilm, Sony Standard 2002–2007

4. DDR5 SDRAM - Wikipedia

   en.wikipedia.org/wiki/DDR5_SDRAM

   DDR5 has about the same 14 ns latency as DDR4 and DDR3. [7] DDR5 octuples the maximum DIMM capacity from 64 GB to 512 GB. [8] [3] DDR5 also has higher frequencies than DDR4, up to 8GT/s which translates into 64 GB/s (8 gigatransfers/second × 64-bits/module / 8 bits/byte = 64 GB/s) of bandwidth per DIMM.

5. Windows XP Professional x64 Edition - Wikipedia

   en.wikipedia.org/wiki/Windows_XP_Professional_x...

   Windows XP Professional x64 Edition is an edition of Microsoft's Windows XP operating system for x86-64 personal computers. It was released on April 25, 2005, alongside the x86-64 versions of Windows Server 2003.

6. Alpha 21264 - Wikipedia

   en.wikipedia.org/wiki/Alpha_21264

   The 21272 chipset supported one- or two-way multiprocessing and up to 8GB of memory, while the 21274 supported one-, two-, three- or four-way multiprocessing, up to 64GB of memory, and both supported one or two 64-bit 33 MHz PCI buses. They had 128- to 512-bit memory bus which operated at 83 MHz, yielding a maximum bandwidth of 5,312 MB/s.

7. 64-bit computing - Wikipedia

   en.wikipedia.org/wiki/64-bit_computing

   However, IA-32 processors from the Pentium Pro onward allow a 36-bit physical memory address space, using Physical Address Extension (PAE), which gives a 64 GB physical address range, of which up to 62 GB may be used by main memory; operating systems that support PAE may not be limited to 4 GB of physical memory, even on IA-32 processors.