Airflow Requirements - DS1016

Alveo UL3422 Ultra Low Latency Trading Data Sheet (DS1016)
Document ID
DS1016
Release Date
2024-10-14
Revision
1.0 English

Inlet temperature versus airflow requirement in server for normal flow are given in the following table.

Note: The thermal characterization values presented are estimates only.
Table 1. UL3422 Inlet Temperature vs. Airflow (out of I/O Bracket) Requirement of PCIe Card Slot (98.4 mm x 20.33 mm) at Sea Level for 123W Total Card Power with QSFP power at 3.5W
Inlet Temperature to the Card (°C) CFM LFM Static Pressure (inwg)
25 5.2 239 0.18
30 6.0 280 0.22
35 7.2 335 0.29
40 8.9 413 0.38
45 11.4 530 0.55
Table 2. UL3422 Inlet Temperature vs. Airflow (out of I/O Bracket) Requirement of PCIe Card Slot (98.4 mm x 20.33 mm) at 1800m above Sea Level for 123W Total Card Power with QSFP power at 3.5W
Inlet Temperature to the Card (°C) CFM LFM Static Pressure (inwg)
25 5.7 267 0.21
30 6.7 312 0.26
35 8.1 374 0.33
40 9.9 462 0.45
45 12.8 594 0.65