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  1. 1 (6)
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  1. 1GB (4)
  2. 512MB (2)
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  1. Kingston (2)
  2. RamCity (4)
Speed
  1. DDR-266 / PC2100 (3)
  2. DDR-333 / PC2700 (3)
Form Factor
  1. 184-pin DIMM (6)
CAS Latency
  1. CL2.5 (5)
Voltage
  1. 2.5V (6)
 

RamCity guarantees 100% that all modules below are compatible with the Dell Dimension 4550

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Kingston 1GB 184-pin DIMM
Part #. KTD4400/1G • DDR-266 / PC2100 • 2.5V •  more info
Buy new: $164.99 $128.99

Ships in 7 Days Free Shipping Guaranteed Compatible

RamCity 1GB CL2.5 184-pin DIMM
Part #. ADB • DDR-333 / PC2700 • CL2.5 • 2.5V • 16-chip 64M x8 •  more info
Buy new: $115.99 $90.99

7 in Stock Free Shipping Guaranteed Compatible

RamCity 1GB CL2.5 184-pin DIMM
Part #. ACI • DDR-266 / PC2100 • CL2.5 • 2.5V • 16-chip 64Mx8 •  more info
Buy new: $115.99 $90.99

5 in Stock Free Shipping Guaranteed Compatible

Kingston 1GB CL2.5 184-pin DIMM
Part #. KTD4550/1G • DDR-333 / PC2700 • CL2.5 • 2.5V •  more info
Buy new: $160.99 $125.99

14 in Stock Free Shipping Guaranteed Compatible

RamCity 512MB CL2.5 184-pin DIMM
Part #. ACA • DDR-333 / PC2700 • CL2.5 • 2.5V • 16-chip 32Mx8 •  more info
Buy new: $91.99 $71.99

3 in Stock Free Shipping Guaranteed Compatible

RamCity 512MB CL2.5 184-pin DIMM
Part #. ACS • DDR-266 / PC2100 • CL2.5 • 2.5V • 16-chip 32Mx8 •  more info
Buy new: $87.99 $68.99

2 in Stock 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:
  • Dell Dimension 4550 requires BIOS A08 or higher to support 2GB maximum (2x1GB).
  • 400MHz FSB (front side bus) systems come standard with DDR266 (KTD4400/xxx).
  • 533MHz FSB (front side bus) systems come standard with DDR333 (KTD4550/xxx)
Standard Memory:
  • 128 MB (Removable)
Maximum Memory:
  • 2 GB
Expansion:
  • 2 Sockets
CPU/Chipset:
  • Intel Pentium 4 Intel 845PE
Bus Architecture:
  • PCI
Upgrade Path:
  • Virtually any configuration up to 2GB can be reached using 512MB and 1GB modules.