Amazon.com: HP Z240 SFF Computer Premium Workstation Desktop PC, Intel Core i7-6700 3.40GHz Processor, | 32GB Ram, 1TB SSD | WiFi & Bluetooth, HDMI, Windows 10 Pro (Renewed) : Electronics
HSTNS-PC40-1, HSTNS-PD40-1,HSTNS-PL40-1 for HP Gen10 Server 500W Power Supply 865399-501 866729-001 - AliExpress
HP OMEN 40L Gaming Desktop Intel Core i5-12400F HyperX 16GB Memory NVIDIA GeForce RTX 3060 1TB SSD Nightfall Black GT21-0014 - Best Buy
Turantino Blog: HP E-PC 40
HP All-in-One PC 22-3110 E Series E1-6015 (1.40 GHz) 4 GB DDR3L 500GB HDD 21.5" Windows 10 Home 64-Bit -USED with FREE 3 Year Warranty provided by CPS. - Walmart.com
HSTNS-PC40 500W For HP 360 380 Gen9 Power Supply 723594-001 723595-501 754377-001 720478-B21 - AliExpress
OFFTEK 64MB Replacement Memory RAM Upgrade for HP-Compaq E-pc 40 (PC133) Desktop Memory at Amazon.com
HP ProLiant DL360 Gen 10 8 Bay SFF 1U Rackmount Server | MET Servers
HP E-PC 40 DESKTOP ADMINISTRATOR'S MANUAL | ManualsLib