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  2. RamCity (2)
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RamCity guarantees 100% that all modules below are compatible with the HP/Compaq Deskpro EN, EP, EX Series EN 566-1200 (PIII-133SD) SFF/CMT/SD

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Kingston ValueRam 512MB CL3 168-pin DIMM
Part #. ACN • PC133 • CL3 • 3.3V • 16-chip 32M x8 •  more info
Buy new: $205.99 $160.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 256MB CL3 168-pin DIMM
Part #. ACJ • PC133 • CL3 • 3.3V • 16-chip 16Mx8 •  more info
Buy new: $78.99 $61.99

6 in Stock Free Shipping Guaranteed Compatible

RamCity 128MB CL3 168-pin DIMM
Part #. AIX • PC133 • CL3 • 3.3V • 4-chip 16Mx16 •  more info
Buy new: $82.99 $64.99

Ships in 7 Days Free Shipping Guaranteed Compatible

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We guarantee your memory upgrade will be 100% compatible, or return it within 1 Whole Year for a full refund.
Need some help installing your upgrade? See our guides and videos.
System Specifications
Comments:
  • Although it is physically possible to install more memory, the system will only recognize 512MB maximum.
  • The Compaq Deskpro EN supports up to 512MB Max.
  • If you install a 512MB DIMM, all other memory must be removed.
  • Models include Convertible Minitower, Slim Desktop, Small Form Factor, and Desktop.
Standard Memory:
  • 64MB (Removable)
  • 128MB (Removable)
Maximum Memory:
  • 512MB
Expansion:
  • 3 Sockets
CPU/Chipset:
  • Intel Celeron 566 MHz Intel 815e
  • Intel Celeron 600 MHz Intel 815e
  • Intel Pentium III 566 MHz Intel 815e
  • Intel Pentium III 1.2 GHz Intel 815e
Bus Architecture:
  • AGP; ISA; PCI
Mfr's System P/N's:
  • 470000-284; 470000-449; 470000-577; 470000-806; 470000-968; 470001-057; 470001-133; 470001-146; 470001-185; 470001-209; 470001-264; 470001-368; 470001-396; 470001-431; 470001-466; 470001-484; 470001-600; 470001-682; 470001-761; 470002-178; 470002-205; 470002-227; 470002-329; 470002-342; 470002-388; 470002-665; 470002-787; 470003-748; 470004-526; 470004-527; 470007-159; 470007-801; 470018-687
Upgrade Path:
  • Virtually any configuration up to 512MB can be reached using 128 and 256MB modules.