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Desktop towers with PCIe slots?

All-in-one desktops with webcams?

Tower vs all-in-one differences?

How much RAM for desktops?

AUTYUE HDMI + DP Dual Monitor KVM Switch 2 Monitors 1 Desktop Computer &1 Laptop 4K@60Hz, Expandable 1 HDMI Display & 1 DP Display, 3 USB 3.0 + 1 USB-C Port, PD 80W Power Supply. Includes USB-C Cable.

$129^.99

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AUTYUE Dual Monitor 8K HDMI + Displayport KVM Switch, 2 Monitors 2 Desktop Computers 4K@144Hz HDMI + DP 2 IN 2 Out USB 3.0 KVM Switcher, 2 Switching Modes, 2 PCs Share 1 Set of Keyboard Mouse Printer

$99^.99

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PCI-E to 2 DB9 RS232 Serial Ports + 1 DB25 Parallel LPT Port Adapter Card for Desktops Computer Components for ASIX TXB070

$28^.99

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130W 90W Charger Replacement for Dell OptiPlex 5070 D11S D11S004 Desktop Computer 19.5V 6.67A 4.62A Power Supply Adapter Cord

$55^.99

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130W 90W Charger Replacement for Dell OptiPlex 7060 D10U D10U003 Micro Desktop Computer 19.5V 6.67A 4.62A Power Supply Adapter Cord

$55^.99

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130W 90W Charger Replacement for Dell OptiPlex 7090 D13U002 Ultra Desktop Computer 19.5V 6.67A 4.62A Power Supply Adapter Cord

$52^.99

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130W 90W Charger Replacement for Dell OptiPlex 5080 D14U001 Micro Desktop Computer 19.5V 6.67A 4.62A Power Supply Adapter Cord

$58^.90

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130W 90W Charger Replacement for Dell OptiPlex 5060 D02T D02T001 Micro Desktop Computer 19.5V 6.67A 4.62A Power Supply Adapter Cord

$55^.99

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PC Power Switch Cable with LED Light Desktop Computer Case Re-starting Button Power Supply Reset HDD Switch Lead(Double Switch)

$14^.49

More options from $14.49 - $19.99

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USB WiFi Adapter for Desktop PC - AX1800 WiFi 6 Adapter 5GHz 2.4GHz USB 3.0 WiFi Adapter Wireless Network Adapter for Desktop Computer Laptop WiFi Dongle WiFi Antenna for Win11/10 Wireless Adapter

$30^.80

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Floppy Disk Reader 3.5 inch External USB Floppy Disk Drive for PC Laptop and Desktop Computer Floppy disc Reader for Windows 11/10/8/7/2000/XP Black

$34^.89

More options from $34.89 - $42.91

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WRIARICH M.2 SSD to U.2 Adapter 2in1 M.2 NVMe and SATA-Bus NGFF SSD to PCI-e U.2 SFF-8639 Adapter PCIe M2 Converter for Desktop Computers

$35^.99

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WRIARICH 130W 90W Charger Replacement for Dell OptiPlex 7090 D13U002 Ultra Desktop Computer 19.5V 6.67A 4.62A Power Supply Adapter Cord

$115^.99

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WRIARICH 130W 90W Charger Replacement for Dell OptiPlex 5080 D14U001 Micro Desktop Computer 19.5V 6.67A 4.62A Power Supply Adapter Cord

$115^.99

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WRIARICH 0.6m High Speed Front Panel Cable Adapter 20Pin to 2 Port USB 3.0 with Fixed Foot for PC Desktop Computer Case Chassi

$19^.07

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4-port TYPE-C Gen1 expansion card Desktop computer PCI-E to USB3.0 Type-c adapter card

$65^.30

More options from $65.30 - $67.30

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Desktop Computer Case Switch,Reset HDD Button Switch with Dual USB Ports,Power Button,Audio Ports for Desktop PC Case

$19^.98

More options from $19.98 - $21.98

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PC Power Switch, Desktop Computer External Remote Start, Motherboard Button, Extension Cable with LED Light (Black)

$17^.99

More options from $17.99 - $19.99

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PC Power Switch - Desktop Computer External Remote Start Motherboard Button Extension Cable with LED Light (White)

$17^.99

More options from $17.99 - $19.99

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USB 3.0 1920Pin Internal Header to Dual USBA Female Adapter, Motherboard Front Panel Header Splitter Converter, Support PC Case FrontPanel USB Port Expansion for Desktop Computer Mainboard PH21

$17^.49

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Vszerda FOR SSD Adapter M2 SSD To U.2 Adapter M.2 NVMe M.2 SATA NGFF SSD to PCI-e U2 SFF-8639 Adapter PCIe M2 Converter For Desktop Computer

$21^.29

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Vszerda FOR M.2 SSD to U.2 Adapter 2 in 1 M.2 NVMe SATA-Bus NGFF SSD to PCI-e U.2 SFF-8639 PCIe M2 Adapter Converter for Desktop Computer PC

$22^.19

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Vszerda 2 In 1 M.2 Nvme SATA U2PCB M.2 NVME SSD Key M Key B SSD To U.2 SFF-8639 Adapter Pcie M2 Converter Desktop Computer Parts

$26^.99

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Rocstor 1 ft USB to Serial Adapter Cable w/ COM Retention - 1 ft Serial/USB Data Transfer Cable for Notebook, Desktop Computer, Computer - 920 kbit/s - Black

$32^.88

More options from $18.99 - $32.88

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Rocstor USB to Serial Adapter - 3 ft Serial/USB Data Transfer Cable for Barcode Scanner, Scanner, Network Switch, Notebook, Desktop Computer, Peripheral Device, POS Device, Receipt Printer, Programmab

$30^.86

More options from $30.38 - $67.99

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Vszerda Desktop Computer PCI-E 4X to 16X Adapter Card PCI-Express Riser Card Converter

$24^.59

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Aomoproing 5Gbps 19Pin 20Pin USB 3.0 Front Panel Header to PCI-E 1X Express Card VL805 Adapter for Desktop Computer Motherboard

$14^.87

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2.5Gbps Desktop Computer Game Wifi Card PCIe x1 to Single Port RJ45 2500Mbps Gigabit Network Adapter with Heat Sink Chip RTL8125

$50^.39

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2.5Gbps Desktop Computer Game Wifi Card PCIe x1 to Single Port RJ45 2500Mbps Gigabit Network Adapter with Heat Sink Chip RTL8125

$50^.39

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Vszerda PCI-E 1X to 16X 1394 DV Video Capture Card with 6 Pin to 4 Pin Firewire Adapter 3 Ports Free Driver Desktop Computer Accessory

$32^.99

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PCI adapter 4 Ports RAID to PCI Adapter controller card For Desktop/Computer

$36^.89

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Vszerda FOR HDD Adapter Riser Card Board Laptop 44Pin 2.5" IDE to Desktop 3.5" IDE Hard Disk Drive Converter 4Pin Power for Desktop Computer

$22^.69

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to PCI-e 1X Adapter Card Converter for Desktop Computer Wireless Module WiFi Net-work Card

$27^.90

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Desktop Computer Fan CPU PWM Extension Cable 4Pin Extension Cable 2 Silver Plated Copper Wire(1 to2)

$15^.94

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SATA adapter 4 port SATA controller controller expansion converter RAID card For Desktop/Computer

$36^.40

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Desktop Computer Fan CPU PWM Extension Cable 4Pin Extension Cable 2 Silver Plated Copper Wire(1 to2)

$14^.84

More options from $14.84 - $18.26

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