Inlet Temperature versus Airflow Requirement in Server
The following tables provide the required airflow rate and airflow
speed to the Alveo
U55C card under various operating
conditions.
Normal Airflow
Table 1. Inlet Temperature versus Airflow Requirement of PCIe Card Slot (98.4 mm x 20.33 mm) at Sea
Level for 115W Total Card Power
Inlet Temperature to the Card
(°C) |
With QSFP (85°C) |
Without QSFP
1
|
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
25 |
11.0 |
512 |
0.37 |
11.3 |
525 |
0.36 |
30 |
12.3 |
571 |
0.43 |
12.8 |
596 |
0.44 |
35 |
13.8 |
642 |
0.52 |
14.7 |
684 |
0.55 |
40 |
15.8 |
732 |
0.64 |
17.1 |
796 |
0.70 |
45 |
18.2 |
844 |
0.80 |
20.2 |
940 |
0.93 |
50 |
21.3 |
991 |
1.03 |
24.4 |
1133 |
1.28 |
55 |
25.6 |
1189 |
1.40 |
30.1 |
1399 |
1.85 |
- The card without QSFP
allocates more power in the FPGA which is consumed in the
card with QSFP
scenario.
|
Table 2. Inlet Temperature versus Airflow Requirement of PCIe Card Slot (98.4 mm x 20.33 mm) at 1200m
above Sea Level for 115W Total Card Power
Inlet Temperature to the Card
(°C) |
With QSFP (85°C) |
Without QSFP
1
|
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
25 |
11.7 |
545 |
0.40 |
12.0 |
559 |
0.40 |
30 |
13.1 |
608 |
0.48 |
13.7 |
635 |
0.49 |
35 |
14.7 |
684 |
0.57 |
15.7 |
729 |
0.61 |
40 |
16.8 |
779 |
0.70 |
18.2 |
847 |
0.78 |
45 |
19.4 |
899 |
0.88 |
21.6 |
1001 |
1.03 |
50 |
22.7 |
1056 |
1.15 |
26.0 |
1206 |
1.43 |
55 |
27.3 |
1266 |
1.56 |
32.1 |
1490 |
2.07 |
- The card without QSFP
allocates more power in the FPGA which is consumed in the
card with QSFP
scenario.
|
Table 3. Inlet Temperature versus Airflow Requirement of PCIe Card Slot (98.4 mm x 20.33 mm) at Sea
Level for 135W Total Card Power
Inlet Temperature to the Card
(°C) |
With QSFP (85°C) |
Without QSFP
1
|
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
25 |
13.7 |
637 |
0.51 |
14.2 |
658 |
0.52 |
30 |
15.3 |
710 |
0.61 |
16.1 |
747 |
0.63 |
35 |
17.2 |
799 |
0.73 |
18.5 |
858 |
0.80 |
40 |
19.6 |
910 |
0.90 |
21.5 |
997 |
1.03 |
45 |
22.6 |
1051 |
1.14 |
25.4 |
1178 |
1.37 |
50 |
26.6 |
1233 |
1.49 |
30.6 |
1419 |
1.90 |
55 |
31.9 |
1480 |
2.03 |
37.8 |
1753 |
2.77 |
- The card without QSFP
allocates more power in the FPGA which is consumed in the
card with QSFP
scenario.
|
Table 4. Inlet Temperature versus Airflow Requirement of PCIe Card Slot (98.4 mm x 20.33 mm) at 1200m
above Sea Level for 135W Total Card Power
Inlet Temperature to the Card
(°C) |
With QSFP (85°C) |
Without QSFP
1
|
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
25 |
14.6 |
678 |
0.56 |
15.1 |
701 |
0.57 |
30 |
16.3 |
756 |
0.67 |
17.1 |
796 |
0.70 |
35 |
18.3 |
851 |
0.81 |
19.7 |
913 |
0.89 |
40 |
20.9 |
969 |
1.00 |
22.9 |
1062 |
1.14 |
45 |
24.1 |
1119 |
1.26 |
27.0 |
1254 |
1.53 |
50 |
28.3 |
1314 |
1.66 |
32.5 |
1512 |
2.12 |
55 |
33.9 |
1576 |
2.26 |
40.2 |
1867 |
3.10 |
- The card without QSFP
allocates more power in the FPGA which is consumed in the
card with QSFP
scenario.
|
Table 5. Inlet Temperature versus Airflow Requirement of PCIe Card Slot (98.4 mm x 20.33 mm) at Sea
Level for 150W Total Card Power
Inlet Temperature to the Card
(°C) |
With QSFP (85°C) |
Without QSFP
1
|
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
25 |
15.8 |
735 |
0.64 |
16.4 |
763 |
0.66 |
30 |
17.6 |
820 |
0.76 |
18.7 |
867 |
0.81 |
35 |
19.9 |
923 |
0.92 |
21.4 |
994 |
1.02 |
40 |
22.6 |
1051 |
1.14 |
24.9 |
1156 |
1.32 |
45 |
26.1 |
1213 |
1.45 |
29.4 |
1366 |
1.77 |
50 |
30.7 |
1424 |
1.90 |
35.4 |
1646 |
2.47 |
55 |
36.8 |
1708 |
2.60 |
43.8 |
2033 |
3.62 |
- The card without QSFP
allocates more power in the FPGA which is consumed in the
card with QSFP
scenario.
|
Table 6. Inlet Temperature versus Airflow Requirement of PCIe Card Slot (98.4 mm x 20.33 mm) at 1200m
above Sea Level for 150W Total Card Power
Inlet Temperature to the Card
(°C) |
With QSFP (85°C) |
Without QSFP
1
|
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
25 |
16.8 |
782 |
0.71 |
17.5 |
813 |
0.73 |
30 |
18.8 |
873 |
0.84 |
19.9 |
923 |
0.90 |
35 |
21.2 |
982 |
1.02 |
22.8 |
1059 |
1.14 |
40 |
24.1 |
1119 |
1.26 |
26.5 |
1231 |
1.48 |
45 |
27.8 |
1292 |
1.61 |
31.3 |
1455 |
1.98 |
50 |
32.7 |
1516 |
2.12 |
37.7 |
1753 |
2.77 |
55 |
39.2 |
1819 |
2.91 |
46.6 |
2166 |
4.07 |
- The card without QSFP
allocates more power in the FPGA which is consumed in the
card with QSFP
scenario.
|
Reverse Airflow
Table 7. Inlet Temperature versus Airflow Requirement of PCIe Card Slot (104.57 mm x 13.18 mm) at Sea
Level for 115W Total Card Power
Inlet Temperature to the Card
(°C) |
With QSFP (85°C) |
Without QSFP
1
|
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
25 |
14.0 |
944 |
1.59 |
14.8 |
999 |
1.09 |
30 |
15.9 |
1071 |
2.00 |
16.9 |
1138 |
1.37 |
35 |
18.2 |
1229 |
2.57 |
19.5 |
1312 |
1.77 |
40 |
|
|
|
|
|
|
45 |
|
|
|
|
|
|
50 |
|
|
|
|
|
|
55 |
|
|
|
|
|
|
- The card without QSFP
allocates more power in the FPGA which is consumed in the
card with QSFP
scenario.
- In reverse flow, the card only supports an ambient
temperature of ≤ 35°C.
|
Table 8. Inlet Temperature versus Airflow Requirement of PCIe Card Slot (104.57 mm x 13.18 mm) at 1200m
above Sea Level for 115W Total Card Power
Inlet Temperature to the Card
(°C) |
With QSFP (85°C) |
Without QSFP
1
|
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
25 |
14.9 |
1005 |
1.78 |
15.8 |
1064 |
1.22 |
30 |
16.9 |
1141 |
2.24 |
18.0 |
1212 |
1.54 |
35 |
19.4 |
1309 |
2.88 |
20.7 |
1397 |
1.99 |
40 |
|
|
|
|
|
|
45 |
|
|
|
|
|
|
50 |
|
|
|
|
|
|
55 |
|
|
|
|
|
|
- The card without QSFP
allocates more power in the FPGA which is consumed in the
card with QSFP
scenario.
- In reverse flow, the card only supports an ambient
temperature of ≤ 35°C.
|
Table 9. Inlet Temperature versus Airflow Requirement of PCIe Card Slot (104.57 mm x 13.18 mm) at Sea
Level for 135W Total Card Power
Inlet Temperature to the Card
(°C) |
With QSFP (85°C) |
Without QSFP
1
|
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
25 |
18.0 |
1216 |
2.52 |
18.8 |
1270 |
1.67 |
30 |
20.5 |
1380 |
3.18 |
21.5 |
1448 |
2.12 |
35 |
23.5 |
1583 |
4.10 |
24.8 |
1668 |
2.76 |
40 |
|
|
|
|
|
|
45 |
|
|
|
|
|
|
50 |
|
|
|
|
|
|
55 |
|
|
|
|
|
|
- The card without QSFP
allocates more power in the FPGA which is consumed in the
card with QSFP
scenario.
- In reverse flow, the card only supports an ambient
temperature of ≤ 35°C.
|
Table 10. Inlet Temperature versus Airflow Requirement of PCIe Card Slot (104.57 mm x 13.18 mm) at 1200m
above Sea Level for 135W Total Card Power
Inlet Temperature to the Card
(°C) |
With QSFP (85°C) |
Without QSFP
1
|
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
25 |
19.2 |
1295 |
2.83 |
20.1 |
1353 |
1.88 |
30 |
21.8 |
1470 |
3.57 |
22.9 |
1542 |
2.38 |
35 |
25.0 |
1687 |
4.62 |
26.4 |
1777 |
3.10 |
40 |
|
|
|
|
|
|
45 |
|
|
|
|
|
|
50 |
|
|
|
|
|
|
55 |
|
|
|
|
|
|
- The card without QSFP
allocates more power in the FPGA which is consumed in the
card with QSFP
scenario.
- In reverse flow, the card only supports an ambient
temperature of ≤ 35°C.
|
Table 11. Inlet Temperature versus Airflow Requirement of PCIe Card Slot (104.57 mm x 13.18 mm) at Sea
Level for 150W Total Card Power
Inlet Temperature to the Card
(°C) |
With QSFP (85°C) |
Without QSFP
1
|
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
25 |
21.3 |
1436 |
3.42 |
22.1 |
1488 |
2.23 |
30 |
24.2 |
1630 |
4.33 |
25.2 |
1696 |
2.84 |
35 |
27.7 |
1870 |
5.61 |
29.0 |
1954 |
3.70 |
40 |
|
|
|
|
|
|
45 |
|
|
|
|
|
|
50 |
|
|
|
|
|
|
55 |
|
|
|
|
|
|
- The card without QSFP
allocates more power in the FPGA which is consumed in the
card with QSFP
scenario.
- In reverse flow, the card only supports an ambient
temperature of ≤ 35°C.
|
Table 12. Inlet Temperature versus Airflow Requirement of PCIe Card Slot (104.57 mm x 13.18 mm) at 1200m
above Sea Level for 150W Total Card Power
Inlet Temperature to the Card
(°C) |
With QSFP (85°C) |
Without QSFP
1
|
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
Cubic Feet per Minute (CFM) |
Linear Feet per Minute (LFM) |
Static Pressure (inwg) |
25 |
22.7 |
1530 |
3.85 |
23.5 |
1585 |
2.51 |
30 |
25.8 |
1736 |
4.88 |
26.8 |
1806 |
3.19 |
35 |
29.6 |
1992 |
6.32 |
30.9 |
2082 |
4.16 |
40 |
|
|
|
|
|
|
45 |
|
|
|
|
|
|
50 |
|
|
|
|
|
|
55 |
|
|
|
|
|
|
- The card without QSFP
allocates more power in the FPGA which is consumed in the
card with QSFP
scenario.
- In reverse flow, the card only supports an ambient
temperature of ≤ 35°C.
|